Nothing is uploaded. Just open it and start.
Type text or drop in a file and get MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes instantly. Paste a published checksum to check for a match. No sign-up, no upload, nothing between you and your data.
MD5, SHA-1, SHA-256, SHA-384, and SHA-512 are all computed together — no dropdown to switch through.
Type or paste text, or drop in a file to check its checksum against a published hash.
Hashes update as you type. Copy any single value or all five at once, or download them as a text file.
Your text and files never leave your browser. There's no server round trip, ever.
Encode and decode text with Base64 or URL encoding instantly, entirely in your browser.
Generate strong, secure, random passwords with a live strength check — customize length and character types.
Test, debug, and validate regular expressions with live match highlighting, captured groups, and flags.
Count words, characters, sentences, paragraphs, and reading time instantly, with keyword frequency.