1 min read
Unix Timestamp Converter
Convert between Unix timestamps and readable dates in both directions, with the seconds and milliseconds question…
Read
Blog
Tool Category: Developer Tools
Encoders, formatters, generators and converters for everyday development.
1 min read
Regex Tester
Test a regular expression against real text and see every match, its position and its capture groups.
Read
1 min read
CSV to JSON Converter
Convert CSV to JSON and back, with quoted fields, embedded commas and escaped quotes handled properly.
Read
1 min read
JWT Decoder
Read the header, payload and expiry of a JSON Web Token without pasting a live credential into someone else server.
Read
1 min read
UUID Generator
Generate version 4 UUIDs in bulk, using the browser cryptographic generator rather than a predictable one.
Read
1 min read
Colour Converter and Contrast Checker
Convert between hex, RGB and HSL, and check contrast against white and black.
Read
1 min read
JSON Formatter and Validator
Format, minify and validate JSON, with the parse error told plainly when it is broken.
Read
1 min read
Base64 Decoder and Encoder
Encode text to Base64 and decode it back, with full Unicode support.
Read
1 min read
URL Encoder and Decoder
Percent-encode text for safe use in URLs, and decode it back to read it.
Read