All Tools

Browse our complete collection of 14 free online tools

JSON

Tools for working with JSON data

Decode and inspect JSON Web Tokens

Prettify or minify JSON data

Check if JSON is valid with detailed error messages

Encode and decode various formats

Convert text to and from Base64 encoding

Percent-encode text for use in URLs

Convert special characters to HTML entities

Text manipulation and analysis

Count words, characters, sentences, and paragraphs

Transform text between different cases

Generate placeholder text for designs

Date and time utilities

Convert between Unix timestamps and human-readable dates

Convert times between different timezones

Calculate differences between dates

Tools for developers

Generate random UUIDs (v4)

Generate MD5, SHA-1, SHA-256, SHA-512 hashes