changing the background color of a photo

Change the background color of ID photos and passport-style images. Replace the backdrop on existing portrait photos quickly online.

QR Code Security Analysis

Analyze QR code content before scanning to verify authenticity and reduce risk from malicious QR codes. Decode first, then scan safely with your phone.

Whiteboard

A beautiful online whiteboard with pressure-sensitive drawing support. Sketch, write, and collaborate smoothly in your browser.

Time Sharing

Set a start time and duration, then share with others to work together and stay accountable with shared timing.

Countdown

Countdown displays remaining time from a start point to a target event. Build anticipation and help participants track time-limited activities.

Marquee LED scrolling sign

LED marquee display shows scrolling text, images, or video on connected LED modules. Adjust speed and content for shops, events, and signage.

size of the picture

Image resizing changes the width, height, or overall dimensions of a photo to fit specific uses such as desktop wallpapers or mobile screens. Use image editing software or online resizing tools to adjust size quickly without losing essential quality.

Picture compression

Image compression reduces file size to improve upload speed and save storage space. Smaller files transfer faster over the web while keeping visual quality acceptable for sharing, publishing, and everyday use.

picture stitching

Photo stitching merges multiple images into one complete picture. Combine different shots to create panoramas or collages that display information more clearly and make content easier to understand at a glance.

text generated image

Text to image generates pictures from text, numbers, and emoji. Customize background and font colors to create attractive text graphics.

Make GIF pictures online

Create and edit GIF animations online from images, video, or text. Build dynamic GIFs for social posts and personal creative projects.

Add rounded corners to pictures in batches

Batch rounded corners applies corner radius to many images at once. Save time while keeping image quality for UI and social graphics.

Image exif information view

EXIF viewer displays camera metadata such as date, location, device model, and settings from JPG, PNG, TIFF, GIF, and other image files.

Online batch image mirroring

Batch mirror and flip images online. Supports JPEG, PNG, GIF, TIFF, and includes options for resize, watermark, crop, and format conversion.

PSD to picture

PSD to image converts Photoshop PSD files into JPG, PNG, or GIF for web display and sharing. PSD supports layers and high quality but must be converted for normal web use.

Rotate pictures in batches online

Batch rotate many images online at 90, 180, or 270 degrees. Supports common formats and saves time on large image sets.

Crop pictures online

Crop and rotate images online to adjust size and shape quickly. A simple web service for fast image editing without installing software.

Generate stamp online

Generate custom stamp designs online and configure size, color, and style. Upload your artwork and create stamp images for marking important documents digitally.

image to text

Image to text uses OCR to extract characters from photos and convert them into editable text. Save typing time by turning screenshots and scanned images into text.

Image to form

Image to table analyzes text in images and converts it into structured table data for clearer display and better document management.

Gif extract picture

GIF frame extractor pulls individual frames from animated GIF files and saves them as images for editing, design, and further processing.

Image format conversion

Image format converter changes files between JPEG, PNG, GIF, BMP, PDF, and other formats. Also compress, resize, and rotate images to fit your needs.

Add watermark to picture

Add watermarks to images by blending text or logos into photos. Protect copyright and improve recognition of your visual content.

picture clear

Enhance blurry images with processing tools to improve sharpness, detail, and overall visual quality for clearer, more vivid photos.

Image to Word

Image to Word converts pictures into editable Word documents using OCR. Edit text and images easily and speed up document workflows.

Image to ICO icon

Image to ICO converter creates favicon and app icon files from regular images in ICO format.

Online character extract

Online portrait cutout removes backgrounds from people photos quickly. Get clean subject images for design, e-commerce, and social content.

Image online segmentation

Split images online into equal proportional sections for grids, layouts, and design composition.

The Nine Palaces Picture.

Nine-grid image tool splits one photo into nine equal squares for social media layouts such as Instagram grids. Display a photo set in a clean, popular format.

Convert PDF to long image

Convert PDF pages into one long image for better display on web pages. Long images load smoothly in browsers, reduce heavy PDF downloads, and help pages look cleaner while improving visit speed.

PDF compression

PDF compression reduces file size for faster transfer, storage, and printing. It removes unused data such as blank space and unnecessary metadata while keeping the original content and quality intact.

Convert PDF to image

PDF to image conversion turns PDF text, images, and tables into image files like JPG, PNG, or BMP. This makes documents easier to view, share, and publish without requiring a PDF reader.

WORD to PDF

Word to PDF converts Word documents into portable PDF files that open on any PDF-supported device. Preserve layout for viewing and printing without extra software, and optionally encrypt, merge, or split PDFs.

PDF to WORD

PDF to Word converts PDF files into editable Word documents. Switch between formats easily to edit text, adjust layout, and improve workflow for document updates and formatting changes.

PPT to PDF

PPT to PDF converts PowerPoint slides into PDF files with higher portability and easier sharing. Text, images, and tables are preserved with original layout for a clean, professional look.

EXCEL to PDF

Excel to PDF converts spreadsheets into PDF format while keeping text, tables, and images. PDF output improves document security, readability, and makes files easier to manage and share.

PDF to TXT

PDF to TXT converts PDF content into plain text for editing, searching, and further text processing.

Add page numbers to PDF online

Add page numbers to PDF documents online. Customize number position and style for easier navigation and cleaner documents.

Image to PDF

Image to PDF converts JPG, PNG, GIF, BMP, and other images into PDF documents. Create portable files suitable for editing, printing, and document workflows.

Extract images from PDF

Extract embedded images from PDF documents and save them as JPG, PNG, or other formats for editing and reuse.

TXT to PDF

TXT to PDF converts plain text files into PDF documents while preserving content integrity for printing and distribution.

PDF to EXCEL

PDF to Excel converts PDF tables and data into editable spreadsheets for analysis, editing, and reporting.

PDF remove password

Remove PDF passwords to unlock protected files for viewing, copying, or editing when you have authorization. Enter the password to access secured PDF content.

PDF to PPT

PDF to PPT converts PDF content into editable PowerPoint slides. Extract text, images, and tables for presentation updates.

PDF encryption

PDF encryption protects documents with access controls and algorithms such as AES-256 or RC4. Restrict printing, copying, and editing so only authorized users can use the file.

PDF Zoom

PDF zoom adjusts page size to fit different screens and devices while keeping content readable and clear.

PDF split

PDF split divides a multi-page PDF into separate files by page or range. Organize documents faster and simplify storage, sharing, and printing.

PDF merge

PDF merge combines multiple PDF files into one document for easier browsing, printing, and management. Join files quickly without manual copy and paste.

Extract pages from PDF

Extract selected pages from a PDF and save them as a separate file. Manage large documents efficiently and keep only the pages you need.

PDF batch rotation

Batch rotate, flip, and scale multiple PDF files at once. Process many documents quickly with secure, efficient PDF orientation tools.

PDF Adjust Position

Adjust PDF content position such as center, left, or right alignment for text and images. Improve readability and presentation of document layout.

Remove watermark from PDF

Remove watermarks from PDF files including text, images, headers, footers, and stamps. Restore cleaner document content with batch support.

Add watermark to PDF

Add text or image watermarks to PDF files to protect copyright and document security. Customize position, size, color, and transparency.

PDF to HTML

PDF to HTML converts PDF content including text, images, tables, and links into web-friendly HTML for easier online display without a PDF viewer.

CAJ to PDF

CAJ to PDF converts Chinese Academic Journal CAJ files into standard PDF documents. Supports batch conversion and layout control for reading and sharing.

PPT to picture online

Convert PPT slides to images online in JPG, PNG, GIF, BMP, and other formats for sharing, previews, and design workflows.

Convert Excel to picture online

Excel to image converts spreadsheet data into images or PDFs. Supports multiple chart types and output formats for reports and presentations.

Word to picture online

Convert Word documents to images online in a few quick steps. Preserve formatting for files up to 50 MB without using local software resources.

Wps Online to Doc

Convert WPS documents to Microsoft Word DOC format for easier editing and compatibility.

music vocal extraction

Vocal extraction detects and isolates vocals from music tracks, allowing users to separate and recombine vocal and instrumental parts.

music accompaniment extraction

Music accompaniment extraction separates vocals and instruments so you can adjust or remove vocals from a song using audio separation technology.

Audio online mixing

Online audio mixing blends multiple tracks into one file. Mix MP3, WAV, AAC, and other formats with EQ, noise reduction, and compression tools.

Audio online splicing

Online audio splicing joins multiple audio clips after editing into one continuous track for recording, editing, and mixing workflows.

audio loop

Audio loop repeats a clip seamlessly to extend playback time. Commonly used in games, film, and animation for smoother sound design.

audio reverse

Audio reverse plays sound backwards for creative effects in music production, remixing, and experimental audio design.

audio volume up

Increase audio volume by boosting signal strength during playback. Adjust volume controls or use editing tools to make sound clearer and louder for better listening.

mp3 converter

MP3 converter changes audio between formats such as WAV, WMA, AAC, FLAC, and M4A. Convert to MP3 for wide player support and adjust sample rate, bitrate, and channels as needed.

WAV Converter

WAV converter converts WAV audio to smaller formats like MP3, WMA, or AAC for easier storage and sharing. Convert files for playback on phones, MP3 players, and other supported devices.

ACC converter

AAC converter converts audio between MP3, WAV, and other formats and Advanced Audio Coding (AAC). AAC offers strong compression and good sound quality while saving storage space.

OUPS converter

OUPS converter converts text files between TXT, RTF, HTML, XML, and OUPS unified format for cross-platform document exchange on Windows, Linux, and macOS.

OGG Converter

OGG converter converts WAV, MP3, WMA, and M4A files to OGG format. OGG provides high compression and quality, helping save storage while keeping audio clear.

Audio online clip

Online audio editing lets you cut, add effects, and mix tracks in the browser. Improve audio quality quickly without installing desktop software.

M4A Converter

M4A converter converts M4A audio to MP3, WAV, AAC, and other formats. Adjust sample rate, bitrate, channels, and other audio parameters.

audio compression

Audio compression reduces file size while maintaining acceptable sound quality. Save storage, improve transfer speed, and simplify audio handling.

Audio and video to text

Speech to text converts audio and video speech into searchable text. Improve accessibility, add captions, and make spoken content easier to find and reuse.

Video online rotation

Rotate videos online and export a new file for browser and mobile viewing. Supports MP4, MOV, AVI, and other common formats.

Video Mirroring (Flip)

Video mirroring flips footage horizontally or vertically for creative effects in film, design, and animation projects.

webm converter

WebM converter converts WebM video to AVI, MP4, WMV, MKV, MOV, FLV, and extracts audio to MP3, AAC, WAV, or OGG.

Convert GIF to MP4

GIF to MP4 converts animated GIF files into MP4 video for smoother playback on more devices. MP4 often offers better quality and smaller size, making clips easier to share on video platforms.

Extract video audio

Extract audio from video files to obtain high-quality audio tracks. Split media into segments for editing and convert formats such as MP4 or MP3 for further processing.

MP4 increase volume

MP4 is a common audio-video format. Increase MP4 volume with an audio editor or media player to make speech and music clearer and videos more engaging.

Speed up video playback

Speed up video playback to watch more content in less time. Faster playback saves time, improves efficiency, and helps users review videos quickly.

Remove background sound from video

Remove background music or noise from videos to improve audio clarity. Separate music, vocals, and unwanted sounds for cleaner, more focused video sound.

MP4 Converter

MP4 converter converts AVI, WMV, MOV, MKV, and other video formats to MP4. Adjust resolution, bitrate, and frame rate for better playback, editing, and mobile sharing.

AVI Converter

AVI converter converts AVI files to MP4, WMV, MOV, MKV, FLV, and other formats for streaming and device playback. Customize frame rate, bitrate, resolution, and audio settings.

MOV converter

MOV converter converts MOV videos to MP4, AVI, WMV, M2TS, MKV, FLV, and more. Edit, play, and share MOV files across different software and devices with flexible output options.

mpg converter

MPG converter converts MPG video to AVI, MP4, WMV, MOV, and other formats for playback on various devices, and supports reverse conversion too.

3GP converter

3GP converter converts 3GP mobile videos to MP4, AVI, WMV, MOV, MKV, and other formats quickly with minimal quality loss for easy viewing and sharing.

MKT Converter

MKT converter converts MKT files to DOCX, XLSX, PPTX, PDF, HTML, RTF, and other formats, and supports batch conversion between formats.

FLV Converter

FLV converter converts Flash Video files to MP4, AVI, MKV, and other common formats. It can also extract audio as MP3 or AAC from video files.

Convert MP4 to GIF

Convert MP4 video to animated GIF files. Adjust speed, resolution, and size, then share short clips on websites and social media.

Video online screenshot

Capture still frames from online videos at any moment. Export images in common formats for editing and sharing.

Video to text

Video to text transcribes speech from WAV, MP3, MP4, and MOV files into editable text output.

video playback

Reverse video playback plays footage backwards quickly online. Create unique effects and meet different video editing needs.

Online screen recording

Online screen recording captures your screen directly in the browser. Record tutorials, demos, and workflows without installing desktop software.

Date Calculator

Date calculator computes intervals, day counts, and week differences between selected dates.

Waist to Height Ratio (WHtR) Calculator.

Waist-to-height ratio (WHtR) calculator evaluates central fat risk using waist size relative to height.

Daily nutrient intake calculator.

Daily nutrient intake calculator estimates recommended daily vitamin and mineral amounts for balanced eating.

Best Fat Burning Heart Rate Calculator.

Best fat-burning heart rate calculator finds your optimal cardio zone for efficient fat-burning workouts.

RM calculation

RM calculator computes rep-max strength estimates to support workout planning and progress tracking.

angle

Angle converter converts degrees, radians, and other angle units for geometry and trigonometry.

Data storage.

Data storage converter converts bytes, KB, MB, GB, TB, and related digital storage units.

speed

Speed converter converts velocity units such as km/h, m/s, and mph for travel and physics tasks.

time

Time converter converts seconds, minutes, hours, days, and other time units for scheduling and math.

strength

Force converter converts force units for physics problems and engineering calculations.

Density

Density converter calculates material density and converts density units for liquids, gases, and solids.

Temperature

Temperature converter converts Celsius, Fahrenheit, Kelvin, and other temperature scales accurately.

pressure

Pressure converter converts pressure units for physics, engineering, and industrial calculations.

Length

Length converter converts distance and length units for science, travel, and construction work.

volume

Volume converter calculates and converts volume units for liquids, solids, and container measurements.

Power

Power converter converts power units such as watts and horsepower for engineering and daily calculations.

heat

Heat converter converts thermal energy units for science, engineering, and study calculations.

Area

Area converter calculates and converts area units for geometry, construction, and everyday measurement tasks.

Shelf life calculator

Shelf life calculator tracks expiration dates for food, medicine, and other items to improve safety planning.

Age calculator

Age calculator computes exact age from any birth date to a chosen date quickly and accurately.

Smoking cost calculator

Smoking cost calculator estimates the financial impact of smoking to highlight health and budget effects.

Breathing frequency calculator

Breathing rate calculator measures and records breaths per minute for basic respiratory tracking.

Nicotine Level Calculator

Nicotine level calculator estimates smoking intake and approximate blood nicotine levels over time.

Diabetes diet calculator

Diabetes diet calculator suggests meal structure and nutrient intake based on personal health indicators.

Nutritional Risk Index (NRI) Calculator

Nutritional Risk Index (NRI) calculator assesses nutritional status and supports diet planning decisions.

Normal body temperature calculator

Normal body temperature calculator checks whether a measured temperature falls within a typical healthy range.

High blood pressure calculator

Blood pressure calculator evaluates hypertension risk from your entered health measurements.

Body Composition Calculator

Physical fitness test calculator assesses overall body condition and provides basic health guidance.

Body surface area calculator

Body surface area calculator computes BSA quickly for medical, health, and clinical reference uses.

Female thigh size standard calculator.

Female thigh size calculator helps measure leg dimensions to choose better pants and skirt sizes.

Standard Body Proportion Calculator

Standard body proportion calculator compares body segment ratios against healthy reference ranges.

Centrally Obese Calculator

Central obesity calculator evaluates abdominal fat risk using height, waist size, and related body metrics.

Body Weight Calculator

Body weight calculator computes BMI and ideal weight ranges to support health management.

Sports heart rate calculator.

Exercise heart rate calculator tracks workout heart rate zones for safer and more effective training.

Protein calculation

Protein calculator helps compute protein needs and related nutrition values for diet and training plans.

Muscle Potential Calculator

Muscle potential calculator estimates natural muscle growth limits using scientific fitness models.

The calculation of maximum circumference.

Maximum girth calculator measures object circumference online for design, shipping, and engineering tasks.

Body fat calculator

Body fat calculator measures body fat percentage to support fitness goals and health monitoring.

Hydration calculator

Hydration calculator estimates how much water you should drink daily based on your personal profile.

Fat burning heart rate calculation

Fat-burning heart rate calculator finds the best heart rate zone by age and gender for effective cardio training.

Beauty standard dimension

Beauty body metrics tool helps women track measurements, health habits, and fitness goals in one place.

Body Mass Index (BMI) Calculator

Standard weight calculator estimates ideal weight from height and gender to understand body status.

Waist-hip ratio calculator

Waist-to-hip ratio calculator measures waist and hip sizes to evaluate body shape and health risk indicators.

Future time query

Future time query tool calculates dates and times ahead from now for planning and scheduling.

Basal metabolic rate calculation

Basal metabolic rate calculator estimates the minimum daily calories your body needs at rest.

Calorie calculator

Calorie calculator tracks exercise and food intake to support weight management and healthier daily habits.

Weight gain calculation.

Weight gain calculator helps set weight goals and estimate daily calories for healthy gain plans.

BMI calculator

BMI calculator computes Body Mass Index from height and weight to help assess general health status.

Dog Age Calculation

Dog age calculator converts your dog's age into equivalent human years based on common pet age formulas.

Car fuel consumption calculator

Fuel consumption calculator estimates vehicle fuel usage and travel costs for better budget planning.

Electricity calculator

Electricity bill calculator estimates monthly power costs so you can track usage and manage energy spending.

Self-measuring tool for female standard body measurements.

Female body measurement self-test tool helps measure bust, waist, and hip sizes to choose better-fitting clothing.

Cat age calculator.

Cat age calculator estimates your cat's age from birth date, weight, and breed. Understand your pet's life stage and support better health and care planning.

MD5 generation

MD5 generates a fixed 128-bit hash from any input message. It is fast and widely used for checksums and data integrity checks, though not recommended for new security designs.

Online Unix Timestamp Conversion Tool

Unix timestamp converter translates Unix seconds since 1970-01-01 UTC into readable dates and back.

Robots.txt File Generation Tool

Robots.txt generator builds standards-compliant robots files to guide search engine crawling.

Bulk URL Link Generator

Bulk URL generator creates many links at once for site structure, testing, and navigation setup.

CHMOD Command Calculator

CHMOD calculator computes Linux file and directory permission numbers from selected access flags.

Meta Tag Generator

Meta tag generator creates SEO-friendly meta tags quickly for better search engine optimization.

OPEN Parameter Generator and Popup Window Generator

Popup window generator creates customized window.open parameters and popup links for web interfaces.

Syntax Highlighting

Syntax highlighting colors source code by language elements to improve readability while coding.

User Agent Information Viewing

User Agent viewer displays your browser UA string, version details, and supported features.

MagicBytes (File Signature)

MagicBytes file signature tool identifies file types by reading header bytes for format verification.

IT Term Pronunciation

IT term pronunciation helps you learn correct pronunciation of common technology vocabulary.

HTML Filtering

HTML filter removes disallowed tags and attributes to improve page security and readability.

HTML Code Debugging

HTML debugger detects and fixes errors in HTML markup for cleaner, valid page structure.

HTML Special Characters Table

HTML special characters table helps you find and copy symbols and entities for web pages.

Keyboard Key Values (Keycode, ASCII Codes)

Keyboard keycode reference shows key names and ASCII values for development and debugging.

Regular Expression Testing Tool

Regex tester validates regular expressions against sample text and helps locate matching errors quickly.

Image BASE64 Conversion

Image Base64 converter encodes images to Base64 strings and decodes Base64 back into image files.

JSON to Java Entity Class Generation Tool

JSON to Java entity generator converts JSON payloads into Java model classes for backend development.

JSON Code Validation and Formatting

JSON validator and formatter checks syntax errors and beautifies JSON for easier reading and debugging.

JSON to C# Conversion

JSON to C# converter generates C# class definitions from JSON data structures automatically.

Website 301 redirect code generator.

301 redirect code generator creates permanent redirect rules quickly for website migration and SEO maintenance.

Base64 encoding/decoding

Base64 encoder and decoder converts text or binary data to Base64 and back for safe transmission and storage.

Convert CSV to HTML table.

CSV to HTML table converter turns CSV files into HTML tables for web display and reporting.

Multilingual domain name decoding

Multilingual domain converter encodes internationalized domain names (IDN) into ASCII Punycode for web compatibility.

Hard disk integer partition calculator.

Hard disk partition calculator helps plan integer-sized disk partitions according to your target capacity.

Morse code encryption

Morse code encoder converts input text into Morse code quickly for learning, signaling, and fun projects.

Translate the text into HTML.

Convert plain text into HTML code for quick webpage content generation and publishing.

JSON compression and escaping tool

JSON compress and escape tool minifies JSON and escapes characters to reduce payload size and improve transfer efficiency.

XPath testing tool

XPath tester validates expressions and extracts nodes from XML and HTML documents for scraping and QA.

Translate the result directly in English please: Excel to Json.

Excel to JSON converts spreadsheet data into JSON format quickly for APIs, apps, and data processing.

Sorting JSON.

JSON sort tool orders JSON data for easier analysis, comparison, and debugging of structured content.

HTML code conversion

HTML code converter transforms HTML into Markdown, BBCode, and other formats for cross-platform publishing.

Convert JSON to XML

Convert JSON to XML and XML to JSON for interoperability between APIs, configs, and data pipelines.

Escape encryption / UnEscape decryption

Escape and UnEscape tools encrypt or decrypt strings to help protect sensitive text in web applications.

JS obfuscation

JavaScript obfuscation protects client-side code by making it harder to read and reverse engineer.

Online URL encoding and decoding.

URL encode and decode special characters for safe web transmission. Convert spaces and symbols to percent-encoded form and restore them back to readable URLs.

Htpasswd Generator

Htpasswd generator creates Apache password entries quickly for basic HTTP authentication setup.

Unicode to Chinese translation.

Convert Unicode escape sequences into readable Chinese characters and text for debugging and content processing.

Convert database SQL to POJO

Convert database table structures into Java POJO classes to speed up backend development and reduce boilerplate coding.

Deserialization-based tool for generating JSON and code.

Deserialize JSON and generate corresponding code structures for development and data integration tasks.

XPath locating elements such as images, links, etc.

XPath locator finds images, links, and other elements in web pages for scraping, testing, and automation.

Append or remove double quotes in SQL.

Add or remove double quotes around string values in SQL statements quickly for data import and script editing.

HTML/Markdown converter tool

HTML and Markdown converter switches between HTML and Markdown formats for faster writing and publishing workflows.

ip to int, ip to number

Convert IP addresses to integer values for easier calculation, comparison, and storage in databases or scripts.

Hash/Hashing

Hash tools generate fixed-length digests from messages for digital signatures, integrity checks, and cryptographic security tasks.

Convert .htaccess to Nginx

Convert Apache .htaccess rules into Nginx configuration to simplify server migration and website management.

SQL compression, formatting

SQL formatter and compressor optimizes and beautifies SQL statements for cleaner, more efficient database scripts.

XML formatting/compression

Format or compress XML files quickly to improve readability or reduce file size for faster processing.

JS/HTML formatting

JS and HTML formatter auto-indents and beautifies JavaScript and HTML code for easier reading and maintenance.

CSS formatting

CSS formatter beautifies, cleans, and optimizes stylesheet code to improve readability, load performance, and code quality.

HTML Compression

HTML compression removes unnecessary whitespace and characters to reduce page size, improve load speed, and save bandwidth.

Base conversion

Number base converter converts values between binary, octal, decimal, and hexadecimal systems quickly and accurately.

View webpage source code.

View webpage source code to inspect HTML, CSS, and JavaScript for analysis, learning, and debugging.

HTML escape tool

HTML escape tool converts special characters into HTML entities to prevent display and encoding problems in web pages.

Convert HTML to string (with backslash concatenation).

Convert HTML text into escaped string form with backslash concatenation for safe use in code and data transfer.

Convert HTML to a JavaScript string.

Convert HTML code into JavaScript string format for easy use in scripts and web development projects.

One-Click Generation of App Icons in All Sizes

App icon generator creates all required icon sizes at once for mobile app publishing workflows.

Round Corner Image Creation

Rounded corner image maker adds smooth corners to photos for social posts and UI graphics.

Comprehensive Screen Size Standards

Screen size reference lists common device resolutions, dimensions, and pixel densities for responsive design.

Color Matching Calculator

Color matching calculator measures similarity between colors to suggest harmonious combinations.

RGB color combination calculator for the three primary colors

RGB primary color mixer generates color codes by combining red, green, and blue values.

Two-color mixer

Two-color mixer blends two colors to produce a new shade for creative design experiments.

Color Background Calculator

Text background color calculator finds readable background colors for chosen text colors.

Opposite Color Picker Calculator

Opposite color calculator returns the complementary inverse of a selected color for contrast design.

CSS Background Gradient Code Generator

CSS background gradient generator builds gradient CSS code by choosing colors, direction, and gradient type for web backgrounds.

Linear Gradients Debugging Tool

Linear gradient debugger creates and edits CSS linear gradient backgrounds with live preview.

CSS3 border-radius (rounded corner) effect debugging tool

CSS3 border-radius debugger helps test rounded corner styles and copy ready-to-use CSS code.

CSS3 Text Stroke refers to a technique for outlining text with a specified color or thickness. text-fill is not a valid term in CSS, please provide more context or information for clarification.

CSS3 text stroke and text-fill debugger helps preview outlined text and fill color effects for web typography.

CSS3 Text Shadow Effect Debugging Tool

CSS3 text shadow debugger adjusts text shadow effects quickly for better typography on web pages.

CSS3 Box Shadow Effect Debugging Tool

CSS3 box shadow debugger creates and fine-tunes element shadow effects to speed up web design.

CSS3 transform and transform-ori

CSS3 transform debugger helps preview and build element scale, rotate, skew, and move effects online.

Color recognition by image uploading

Upload an image to detect dominant colors and get matching color codes for design reuse.

web safe colors

Web safe colors generator produces browser-safe color values for consistent cross-browser display.

The calculation of intermediate colors

Middle color calculator finds the color halfway between two colors and outputs usable code values.

Color value conversion tool

Color value converter switches between RGB, HEX, HSL, and other formats for frontend development.

RGB color reference

RGB color reference returns exact RGB values for named or selected colors in design work.

Palette

Color palette tool combines colors quickly to build harmonious schemes for design and development.

Commonly used colors in web pages

Web color picker helps choose, adjust, and generate color schemes for cleaner website design.

Traditional Japanese color.

Traditional Japanese colors reference classic Japanese color names and palettes for design inspiration.

Traditional Chinese Colors

Traditional Chinese colors reference classic color names and values used in Chinese art and design.

PPI stands for "pixels per inch."

PPI (pixels per inch) calculator measures display or print pixel density for screen and image quality planning.

PX to EM, EM to PX converter tool.

PX to EM and EM to PX converter helps responsive web designers switch CSS font and spacing units quickly.

Image pixel dimension conversion tool (cm/inch)

Pixel size converter translates image dimensions between pixels, centimeters, and inches for precise design work.

Placeholder image generation.

Placeholder image generator creates custom-size, color, and label images for web layouts and design mockups.

Text Deduplication

Text deduplication finds repeated words or phrases in a document. Remove or highlight duplicates to compare content faster and improve editing efficiency.

English Monetary Amount in Words Conversion.

Amount-in-words converter turns numeric amounts into formal English words for invoices and documents.

Random number generation

Random number generator creates integers within a custom range for testing, games, and sampling tasks.

Reverse sort tool

Reverse sort tool quickly reverses the order of list items for data cleanup and processing.

Full-width/Half-width conversion

Full-width and half-width converter switches between full-width and half-width characters for text normalization.

Capitalization of English letters

English case converter changes text to uppercase or lowercase automatically for formatting and data cleanup.

Word count calculation statistics.

Word count tool calculates characters, words, and text length accurately. Useful for writing limits, SEO content, essays, and document statistics.

Calculate time interval

Calculate the time interval between two dates or times in hours, minutes, and seconds. Useful for schedules, meetings, deadlines, and daily planning.

Keyboard key test.

Keyboard key test checks whether each key registers correctly for quick hardware troubleshooting.

Reaction speed test

Reaction speed test measures how quickly you respond to visual cues for fun and training.

2048

Play 2048, the classic number puzzle game. Merge tiles to reach 2048 and enjoy a quick, relaxing challenge in your browser.