Developer Tools
JSON, Base64, hashing and developer utilities
Developer Tools
Free UUID Generator, Create Version 4 UUIDs Instantly
Generate one or many random, standards-compliant UUIDs for use as unique identifiers in code, databases, or APIs.
Developer Tools
Free MD5 Hash Generator, Generate and Verify MD5 Checksums
Generate an MD5 hash from text or a file instantly, or verify a file matches its expected checksum.
Developer Tools
Free Regex Tester With Live Match Highlighting
Write and test regular expressions with instant, color-coded match highlighting, no more guessing why a pattern silently fails.
Developer Tools
Base64 Encoding and Decoding Explained (With a Free Online Tool)
What Base64 actually is, when developers need it, and how to encode or decode text and files instantly without writing any code.
FeaturedDeveloper Tools
JSON Formatter: How to Format, Validate and Minify JSON Online
Paste messy or minified JSON and get a readable, indented, collapsible tree view instantly - plus one-click validation and minification.