Developer tools
Hashes, UUIDs, JSON, Base64, URLs, colors and timestamps for building and debugging.
JSON formatter
Format, validate and minify JSON.
Base64 encode / decode
Encode text or files to Base64, or decode it back.
Hash generator
Get the MD5, SHA-1, SHA-256 or SHA-512 hash of text or a file.
UUID generator
Generate random v4 UUIDs, one at a time or in bulk.
URL encode / decode
Percent-encode text for a URL, or decode it back.
Color converter
Convert colors between HEX, RGB and HSL with a live preview.
Timestamp converter
Convert Unix timestamps to dates and back, in any timezone.
JSON to CSV / XML
Convert data between JSON, CSV and XML.
Code minifier / beautifier
Minify or beautify HTML, CSS and JavaScript.
Regex tester
Test a regular expression against text with live highlighted matches.
Code diff checker
Compare two pieces of text or two files, line by line.
JWT decoder
Decode a JWT’s header and payload — signature not verified.
Markdown to HTML
Convert Markdown to HTML with a live preview.
CSS gradient / box-shadow
Build a CSS gradient or box-shadow with a live preview.
Cron expression parser
Understand a cron expression in plain English and see its next run times.
Lorem ipsum generator
Generate placeholder paragraphs, sentences or words.
API request tester
Send an HTTP request and inspect the formatted response — a Postman-style tester.
SQL formatter
Pretty-print SQL queries for MySQL, PostgreSQL, SQLite and more.
YAML to JSON
Convert between YAML and JSON.
CSV/Excel to SQL
Turn a CSV or Excel file into CREATE TABLE and INSERT statements for MySQL, PostgreSQL, SQLite or SQL Server.