Client processing
JSON formatter
Format, minify, and validate JSON.
Tools
Small utilities for real engineering work
Fast, accessible tools that process data in your browser whenever possible. Every tool documents its privacy and execution behavior.
Client processing
SQL formatter
Format, beautify, and align PostgreSQL, MySQL, and SQLite queries.
Client processing
Text encoder
Encode and decode Base64 or URL text.
Client processing
JWT decoder
Inspect JWT headers, payloads, and expiry metadata without verification.
Client processing
Timestamp converter
Convert Unix timestamps and ISO dates across time zones.
Client processing
Regular-expression tester
Inspect matches and capture groups in real time.
Client processing
Markdown preview
Render sanitized GitHub-flavored Markdown.
Client processing
Color converter
Convert HEX colors to RGB and HSL.
Client processing
Hash generator
Generate MD5, SHA-256, and SHA-512 digests in a worker.
Client processing
UUID generator
Generate one or many cryptographically random UUIDv4 values.
Client processing
Diff viewer
Compare text by line or character.