Obfuscate JavaScript with Base64 layering and reversal for casual code-sharing protection. Deter copy-paste without real crypto claims — local processing, free, no signup.
Content reviewed October 2026 · About Toolzum
Build and sign JWTs with HS256/RS256 — headers, claims, expiry, and signature verification. Mint test tokens without backend roundtrips — local crypto, free, no signup.
Strips comments, whitespace, and shortens local variable names in JavaScript source without altering execution semantics. No signup or account required.
Decode QR codes from uploaded images. Scan any QR code image and extract the embedded text or URL. Point it at screenshots, photos, or documents — decoded URLs and text copy out instantly. Runs locally, free, no signup.
Preview your text in 6 Google fonts — Inter, Playfair Display, Fira Code, Pacifico, Outfit, and Montserrat — and copy the ready-to-use CSS import plus font-family rule. Free, local, no signup.
Share secrets securely via self-decrypting note links — AES ciphertext in the URL fragment, key in the link query. Send passwords without trusting inboxes — local crypto-js AES, free, no signup.
No — it deters casual copying only. Anyone determined reverses Base64 in seconds; real protection means keeping logic server-side and shipping minimal clients.
Demo code, email embeds, and shared snippets where convenience outweighs risk. Never for keys, tokens, or enforceable licensing.
Yes — reverse the transform for your own files. Lost-source recovery works when you own the original logic.
No — transforms run locally in your browser. Code never leaves your device.
Code Beautifier & Minifier
Beautify or minify HTML, CSS, JavaScript, XML, ERB, LESS, and SCSS with a single click. HTML, CSS, JS, XML, and more normalize in one pass — local processing, free, no signup.
JS Minifier
Strips comments, whitespace, and shortens local variable names in JavaScript source without altering execution semantics. No signup or account required.