Every tool you need, in one place
Format, convert, compare, and calculate with free browser tools. All 100% easy to use — your data stays on your device.
JSON Viewer
Inspect, format, and browse JSON
JSON to PHP
Convert JSON into a PHP array literal
JSON Beautify
Pretty-print JSON with 2, 3, or 4 space indent
JSON Compare
Diff two JSON documents; matching and differing nodes listed by path
JSON Diff
Compare JSON A vs B: added, removed, changed, unchanged
XML Formatter
Pretty-print or minify XML
XML ↔ JSON
Convert XML to JSON and JSON to XML
SQL Formatter
Pretty-print SQL with keyword casing and indentation
Text Compare
Diff two text blocks by line (supports ~50k–100k characters)
Text Formatter
Change case, wrap lines, slugify, and reverse text
Text Counter
Count characters, words, lines, sentences, and bytes
Text Cleaner
Strip extra spaces, empty lines, duplicates, and punctuation
Base64
Encode or decode Base64 text
JWT decoder
Decode JWT header and payload in the browser
URL encode / decode
Percent-encoding helpers
Hash generator
MD5 / SHA helpers in the browser
YAML validator
Check YAML syntax, highlight the bad line, and suggest a fix
UUID Generator
Generate 1, 10, 100, or 1000 UUIDs; copy or download
Timestamp Converter
Unix, milliseconds, and date conversions plus current timestamp
Epoch Converter
Convert a Unix epoch number to a readable date
Regex Tester
Test a regular expression against a string
Date Calculator
Date difference and add or subtract years, months, and days
Age Calculator
Age in years, months, and days from a birth date
Percentage Calculator
Percent of, percent change, increase, and decrease
Unit Converter
Length, mass, temperature, volume, time, and data size