Tools

Length, weight, temperature, volume, area, speed

Convert timestamps to dates and back

Calculate difference between dates or add/subtract time

Convert time between timezones worldwide

Compare two texts and see line-by-line differences

Test regular expressions with real-time matching

Format, validate, and beautify JSON data

Format and validate YAML files, convert to JSON

Decode and inspect JWT tokens

Count characters, words, lines, and paragraphs

Generate Lorem Ipsum, random text, or passwords

Encode and decode Base64 strings

Encode and decode URL components

Generate QR codes from text or URLs

Generate barcodes in EAN-13, Code 128, and more

Generate SELECT, INSERT, UPDATE, DELETE queries

Generate unique UUIDs/GUIDs (v4)

Generate realistic fake user data for testing

Generate all-pairs test combinations

Build decision tables for condition combinations

Generate boundary values and equivalence partitions