Code Highlighter
Highlight code and export a styled HTML snippet.
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Select which version to keep for each changed block.
Explore Tool Box
Photo Collage
Use photo collage in your browser.
Images ↗Background Remover
A background segmentation model is not bundled.
Not supported yetAI ↗Teleprompter
Use teleprompter in your browser.
Text ↗Whiteboard
Use whiteboard in your browser.
Design ↗Income Tax Calculator
Use income tax calculator in your browser.
Calculators ↗Loan Calculator
Use loan calculator in your browser.
Calculators ↗Multiple Timers
Use multiple timers in your browser.
Everyday ↗AI UI Generator
Requires a generative AI service.
Not supported yetAI ↗Batch File Renamer
Use batch file renamer in your browser.
Files ↗Coin Flip
Use coin flip in your browser.
Everyday ↗Images to PDF
Use images to pdf in your browser.
PDF ↗Image Upscaler
Use image upscaler in your browser.
Images ↗Photo Print Layout
Use photo print layout in your browser.
Images ↗Metronome
Use metronome in your browser.
Audio ↗Image to LaTeX
A formula recognition model is not bundled.
Not supported yetAI ↗Guitar Tuner
Use guitar tuner in your browser.
Audio ↗Code Deobfuscation
Multi-language deobfuscation engines are not available.
Not supported yetDevelopment ↗AI Writing Assistant
Requires a generative AI service.
Not supported yetAI ↗JavaScript Formatter
Format and check JavaScript code locally.
Development ↗CSS Formatter
Format and check CSS code locally.
Development ↗IP Geolocation
Requires a geolocation database or lookup service.
Not supported yetNetwork ↗IQ Practice Tests
The original test question bank is not available for redistribution.
Not supported yetLearning ↗Python Bytecode Tools
A Python bytecode decompiler is not bundled.
Not supported yetDevelopment ↗Map Coordinate Converter
Use map coordinate converter in your browser.
Calculators ↗Word List Checker
Use word list checker in your browser.
Text ↗Image Metadata Inspector
Use image metadata inspector in your browser.
Images ↗Signature Image
Use signature image in your browser.
Design ↗Merge PDF
Use merge pdf in your browser.
PDF ↗Reorder PDF Pages
Use reorder pdf pages in your browser.
PDF ↗Audio Trimmer
Use audio trimmer in your browser.
Audio ↗Image Stitcher
Use image stitcher in your browser.
Images ↗GIF Cropper
Use gif cropper in your browser.
Images ↗GIF Resizer
Use gif resizer in your browser.
Images ↗Grid Paper Generator
Use grid paper generator in your browser.
Design ↗GIF Frame Extractor
Use gif frame extractor in your browser.
Images ↗PDF Page Numbers
Use pdf page numbers in your browser.
PDF ↗Holiday Avatar
Use holiday avatar in your browser.
Images ↗Split PDF
Use split pdf in your browser.
PDF ↗Date Calculator
Use date calculator in your browser.
Calculators ↗Scrolling Text Display
Use scrolling text display in your browser.
Text ↗Image Watermark
Use image watermark in your browser.
Images ↗PHP Formatter
Use php formatter in your browser.
Development ↗HTML Formatter
Format and check HTML code locally.
Development ↗Subtitle Translator
Translation requires a language model or translation service.
Not supported yetAI ↗WebSocket Tester
Use websocket tester in your browser.
Network ↗Regular Expression Tester
Find matches, inspect groups and test replacements.
Development ↗SQL Formatter
Format and check SQL code locally.
Development ↗JSON Formatter
Format and check JSON code locally.
Development ↗XML Formatter
Format and check XML code locally.
Development ↗AsciiDoc Editor
Use asciidoc editor in your browser.
Text ↗Favicon Generator
Use favicon generator in your browser.
Images ↗Color Converter
Use color converter in your browser.
Design ↗Subtitle Converter
Use subtitle converter in your browser.
Video ↗Cron Schedule Calculator
Use cron schedule calculator in your browser.
Development ↗Image to Base64
Create a data URL from a local image.
Images ↗Markdown Editor
Write Markdown and preview the resulting HTML.
Text ↗Mermaid Diagram Editor
Use mermaid diagram editor in your browser.
Design ↗Placeholder Image
Use placeholder image in your browser.
Design ↗Number Base Converter
Convert integer and fractional numbers between bases 2–36.
Development ↗Email Address Image
Use email address image in your browser.
Design ↗Text Encryption
Encrypt or decrypt text with a password.
Text ↗Bank Card Issuer Lookup
An issuer identification database is not bundled.
Not supported yetLookups ↗User Agent Parser
Use user agent parser in your browser.
Development ↗Hex / Text Converter
Convert text to UTF-8 hexadecimal bytes and back.
Text ↗Traditional Name Generator
The original naming dataset and calculation service are not available.
Not supported yetLookups ↗Unix Timestamp Converter
Use unix timestamp converter in your browser.
Development ↗Java Formatter
Format and check Java code locally.
Development ↗Font Reference
Search this developer reference and copy the values you need.
Development ↗Chinese to Pinyin
Use chinese to pinyin in your browser.
Text ↗Chinese Script Converter
Use chinese script converter in your browser.
Text ↗On This Day
A historical events database is not bundled.
Not supported yetLookups ↗Download Link Converter
Use download link converter in your browser.
Text ↗Code Highlighter
Highlight code and export a styled HTML snippet.
Development ↗Phone Number Location
Requires an up-to-date telephone allocation database.
Not supported yetLookups ↗Image Compressor
Use image compressor in your browser.
Images ↗htpasswd Generator
Generate an Apache-compatible bcrypt password entry.
Development ↗HTML Entity Reference
Search this developer reference and copy the values you need.
Development ↗Torrent Inspector
Use torrent inspector in your browser.
Files ↗DNS Lookup
DNS lookup requires a resolver service; external services are disabled.
Not supported yetNetwork ↗Postal / Area Code Lookup
A postal and telephone area code database is not bundled.
Not supported yetLookups ↗QR Code Generator
Create QR codes with configurable size and error correction.
Images ↗App Icon Generator
Use app icon generator in your browser.
Images ↗UUID Generator
Use uuid generator in your browser.
Development ↗Image Text Recognition
An OCR model and its language data are not bundled.
Not supported yetAI ↗ASCII / Markdown Tables
Use ascii / markdown tables in your browser.
Text ↗Currency Converter
Live exchange rates require an external data service.
Not supported yetLookups ↗Barcode Generator
Use barcode generator in your browser.
Design ↗Image Format Converter
Use image format converter in your browser.
Images ↗File Hash Calculator
Use file hash calculator in your browser.
Files ↗Meal Picker
Use meal picker in your browser.
Everyday ↗Package Registry Reference
Use package registry reference in your browser.
Development ↗HTTP Status Codes
Search this developer reference and copy the values you need.
Development ↗Web Page Source Viewer
Use web page source viewer in your browser.
Network ↗cURL to Code
Use curl to code in your browser.
Development ↗Handwriting Worksheet
Use handwriting worksheet in your browser.
Learning ↗ABO Inheritance Calculator
Use abo inheritance calculator in your browser.
Learning ↗Periodic Table
Use periodic table in your browser.
Learning ↗Fraction Calculator
Use fraction calculator in your browser.
Calculators ↗YAML / JSON Converter
Use yaml / json converter in your browser.
Development ↗Vehicle Plate Prefix Lookup
A regional vehicle registration prefix database is not bundled.
Not supported yetLookups ↗Kinship Calculator
Use kinship calculator in your browser.
Everyday ↗CSR Generator
Use csr generator in your browser.
Development ↗ID Photo Cropper
Use id photo cropper in your browser.
Images ↗Photo Size Reference
Use photo size reference in your browser.
Images ↗Wordplay Assistant
Requires a wordplay dataset or generative language model.
Not supported yetAI ↗CRX to ZIP
Use crx to zip in your browser.
Files ↗Random String Generator
Use random string generator in your browser.
Development ↗Punycode Converter
Use punycode converter in your browser.
Network ↗Box Size Calculator
Use box size calculator in your browser.
Calculators ↗Paper Size Reference
Use paper size reference in your browser.
Lookups ↗Chinese Zodiac
Use chinese zodiac in your browser.
Everyday ↗CIDR Calculator
Use cidr calculator in your browser.
Network ↗HTTP Header Viewer
Use http header viewer in your browser.
Network ↗Expression Calculator
Use expression calculator in your browser.
Calculators ↗Number to Words
Use number to words in your browser.
Text ↗Image Tile Splitter
Use image tile splitter in your browser.
Images ↗Chinese Two-Part Sayings
A licensed sayings dictionary is not bundled.
Not supported yetLearning ↗Chinese Idiom Dictionary
A licensed idiom dictionary is not bundled.
Not supported yetLearning ↗Shell Formatter
A shell-aware formatting engine is not bundled.
Not supported yetDevelopment ↗Keyboard Symbol Names
Use keyboard symbol names in your browser.
Lookups ↗Linux Command Reference
Use linux command reference in your browser.
Development ↗ASCII Art Generator
Use ascii art generator in your browser.
Text ↗Country Capitals
Use country capitals in your browser.
Learning ↗Clothing Size Reference
Use clothing size reference in your browser.
Lookups ↗Word & Character Counter
Use word & character counter in your browser.
Text ↗Chinese Dynasty Timeline
Use chinese dynasty timeline in your browser.
Learning ↗Text Diff & Merge
Compare two texts line by line and build a merged result.
Text ↗Morse Code Converter
Use morse code converter in your browser.
Text ↗Developer Term Pronunciation
Use developer term pronunciation in your browser.
Learning ↗File Signature Inspector
Use file signature inspector in your browser.
Files ↗Badge Generator
Use badge generator in your browser.
Design ↗Unit Converter
Use unit converter in your browser.
Calculators ↗WHOIS Lookup
WHOIS requires a registry or proxy service; external services are disabled.
Not supported yetNetwork ↗University Directory
An up-to-date university classification dataset is not bundled.
Not supported yetLearning ↗Chinese Character Components
A licensed character decomposition dataset is not bundled.
Not supported yetText ↗Top-Level Domain Directory
The current IANA root-zone dataset is not bundled.
Not supported yetNetwork ↗Disk Partition Calculator
Use disk partition calculator in your browser.
Calculators ↗Public Holiday Calendar
Official holiday schedules require a maintained regional dataset.
Not supported yetLookups ↗No tools match your search.
Small tasks. Clear results.
Choose a tool, add your input and adjust the options. Copy or download the result when you are ready. Processing takes place in your browser; developer documentation opens on its publisher's website.Open-source licenses.