JSON Formatter
Beautify and validate JSON
ALL TOOLS
All
Every online tool in one place, grouped by category. No signup, open and use, nothing uploaded.
Base64 Codec
Text to Base64 and back
URL Codec
Encode and decode URLs
Regex Tester
Match and inspect results live
Timestamp Converter
Unix timestamp to date and back
Case Converter
Convert letter case and naming styles
Text Counter
Count characters, words and lines
Text Diff
Compare two texts line by line
Find and Replace
Batch find and replace text
Reverse Text
Reverse characters, words or lines
Remove Duplicates
Drop duplicate lines and sort
Sort Lines
Sort text line by line
Slug Generator
Turn titles into URL slugs
Markdown to HTML
Render Markdown as HTML
HTML Entities
Encode and decode HTML entities
HTML Formatter
Beautify or minify HTML
CSS Formatter
Beautify or minify CSS
SQL Formatter
Beautify or minify SQL
XML Formatter
Beautify or minify XML
YAML ↔ JSON
Convert YAML and JSON
JSON ↔ CSV
Convert JSON and CSV
JSONPath Query
Extract values by path
Unicode Escape
Convert text and Unicode codes
Morse Code
Convert text and Morse code
Caesar Cipher
Shift cipher for text
ROT13
Rotate letters by 13
Hex Encoder
Convert text and hex
Binary Encoder
Convert text and binary
Char ↔ Code
Convert chars and code points
String Escape
Escape and unescape strings
Lorem Ipsum
Generate placeholder text
Text Extractor
Extract emails, links and more
Word Frequency
Count word occurrences
Text Padding
Pad lines to a fixed width
Image Resize
Scale image size
Image Crop
Crop by aspect ratio
Image Compress
Reduce file size
Image Converter
Convert PNG / JPEG / WebP
Rotate & Flip
Rotate 90 / 180 / 270
Image Filters
Brightness & contrast
Black & White
Grayscale effects
Watermark
Add text watermark
Mosaic
Pixelate images
Image Border
Add border & radius
Meme Generator
Add caption text
Color Picker
Extract dominant colors
Image Info
Inspect image metadata
Image Base64
Base64 converter
Image to ASCII
ASCII art
Social Card
1200×630 cover image
Favicon Generator
Create a site icon
CSS Gradient
Generate gradient code
Color Palette
Generate a palette
Color Mixer
Blend two colors
Contrast Checker
WCAG contrast
Placeholder Image
Generate SVG placeholder
Avatar Generator
Initial avatar SVG
Pattern Generator
SVG pattern background
Password Generator
Generate strong passwords
UUID Generator
Generate UUID v4 in bulk
Text Hash
Compute SHA-1 and SHA-256
HMAC Signature
Compute HMAC-SHA256
JWT Decoder
Inspect JWT payload
JWT Generator
Create HS256 signed tokens
QR Code Generator
Turn text into a QR code
Cron Parser
Preview next cron runs
URL Parser
Break down URL parts
HTTP Status Codes
Look up status code meanings
User-Agent Parser
Identify browser and system
Subnet Calculator
Calculate CIDR network info
chmod Calculator
Convert permission notations
Version Compare
Compare semantic versions
JSON to TypeScript
Generate types from JSON
JSON Flatten
Flatten and unflatten JSON
Markdown Table
Turn data into a Markdown table
.gitignore Generator
Create ignore files by stack
Meta Tag Generator
Create SEO and share tags
CSS Box Shadow
Build box-shadow values
Code Line Counter
Count code and comment lines
Regex Escape
Escape text for regex
.env Parser
Convert env files and JSON
Query String Converter
Convert query strings and JSON
File Hash
Compute multiple file digests
HTML Preview
Preview HTML snippets live
Regex Cheatsheet
Common regex syntax at a glance
Unit Converter
Convert length, weight, temperature
Base Converter
Convert between number bases
Number to Chinese
Convert numbers to Chinese text
Roman Numerals
Convert Roman and Arabic numbers
BMI Calculator
Compute body mass index
Loan Calculator
Compute monthly payment and interest
Percentage Calculator
Percentages and change rates
Date Calculator
Date difference and offsets
Age Calculator
Exact age down to the day
Timezone Converter
Convert time between zones
Color Converter
Convert HEX, RGB and HSL
Byte Converter
Convert storage size units
Tip Calculator
Tips and split bills
Discount Calculator
Sale price and savings
Salary Tax Calculator
Estimate net pay and tax
Compound Interest
Future value and returns
GPA Calculator
Credit weighted GPA
Expression Calculator
Evaluate math expressions
Random Picker
Pick random entries
Dice Roller
Roll dice and random numbers
Countdown Timer
Live countdown to a moment
Stopwatch
Timing with lap splits
Pomodoro Timer
25 minute focus timer
ID Card Validator
Validate and parse ID numbers
Phone Number Info
Validate numbers and carriers
Zodiac Lookup
Chinese and western zodiac
Emoji Picker
Click to copy emoji
Name Generator
Chinese names and game IDs
What to Eat
Randomly pick a meal
Random Groups
Split a list into random groups
Sleep Calculator
Plan sleep by cycles
Water Intake
Daily water recommendation
Calorie Calculator
Estimate BMR and intake
Clothing Size
Estimate sizes and shoe conversion
Week Number
Find the week of a date
Audio Trimmer
Cut an audio clip
Audio Volume
Raise or lower volume
Audio Converter
Convert audio to WAV or mono
Audio Merger
Join several audio files
Voice Recorder
Record audio from the mic
Metronome
Adjustable tempo click
Video Thumbnail
Grab a frame from video
Video Info
Inspect video metadata