Developer & Web Tools
Engineered specifically for web developers, DevOps specialists, and security-conscious engineers who need day-to-day utility functions without exposing proprietary payloads, JWTs, or passwords to unknown backend servers. Generate v4 UUIDs, generate cryptographically random passwords with the browser Web Crypto API, validate and pretty-print JSON documents, compute inline side-by-side diffs, test regular expression captures, and encode or decode Base64 and URL parameters.
Base64 Encoder / Decoder
Easily encode plain text to Base64 format or decode Base64 back to readable text.
URL Encoder / Decoder
Encode URI components or decode percent-encoded URLs safely and reliably.
UUID Generator
Generate cryptographically random UUID v4 identifiers instantly, one or in bulk.
Password Generator
Generate cryptographically secure random passwords with custom length and character sets.
JSON Formatter
Validate, pretty-print, and minify JSON with clear error reporting for invalid input.
Diff Checker
Compare two blocks of text line by line and highlight additions, deletions, and changes.
Regex Tester
Test regular expressions against a string, highlight matches, and inspect capture groups.
CSV to JSON Converter
Convert CSV data into a JSON array of objects with proper field parsing and quoting.
JSON to CSV Converter
Convert a JSON array of objects into downloadable CSV with automatic headers.