Developers can format and validate JSON, encode data, build CSS and check contrast without leaving the browser, and without sending code to a server.
Work with data
Format, validate and convert the data you handle every day.
- JSON Formatter, with a guide
- JSON Validator, with a guide
- JSON ↔ CSV Converter, with a guide
- JSON Escape/Unescape, with a guide
- XML Formatter / Validator, with a guide
Encode and decode
Handle the common encodings correctly, including UTF-8 text.
- Base64 Encode/Decode, with a guide
- URL Encode/Decode, with a guide
- HTML Entity Encoder/Decoder, with a guide
Style and design
Generate CSS and check accessibility.
- Gradient Generator, with a guide
- Box-Shadow Generator, with a guide
- Color Converter, with a guide
- WCAG Contrast Checker, with a guide
Network and security
Plan subnets and create strong passwords.
- Subnet Calculator (CIDR), with a guide
- IP Address Converter, with a guide
- Password Generator, with a guide