Every tool you need. Zero friction.

All-in-one cryptography lab: detect encodings, auto-decode pipelines, hash, AES/ChaCha encrypt, JWT, certificates, RSA keys, and secure random — 100% in your browser.

Remove image backgrounds instantly in your browser — private, free, no upload.

Format, minify, and validate JSON with clear error messages.

Combine multiple PDF files into one document in your browser.

Encode text to Base64 or decode Base64 back to UTF-8 text.

Generate cryptographically secure passwords, API keys, salts, IVs, nonces, and UUIDs in your browser.

Extract page ranges or split every page into separate PDF files.

Convert between hex, text, binary, Base64, and more. Detect unknown hex strings automatically.

Rotate all pages or selected pages by 90°, 180°, or 270°.

Generate RFC 4122 version 4 UUIDs in bulk.

Compute SHA-1, SHA-256, and SHA-512 hashes in the browser.

Password-protect a PDF so it cannot be opened without the key.

Generate SHA-256 and dozens of other digests (SHA-3, BLAKE3, MD5, …). Verify and compare hashes locally.

Generate RSA-OAEP, RSA-PSS, ECDSA P-256, Ed25519, and X25519 key pairs. Export PEM. Encrypt with RSA-OAEP.

Encode or decode URL components safely.

Decode JWT header and payload without verifying signatures.

Generate placeholder paragraphs for layouts and mockups.

Encode and decode Morse code instantly. Also detect Morse automatically in the Crypto Lab analyzer.

Write Markdown and preview the rendered HTML side by side.

Apply ROT13, ROT5, ROT18, and ROT47 instantly. Classical cipher tools included.

Encrypt and decrypt Caesar cipher with custom shifts. Includes Vigenère, Atbash, Rail Fence, and more.

Count words, characters, sentences, and reading time.

Convert between HEX, RGB, and HSL color formats.

Generate MD5 checksums for legacy compatibility. Security warnings included — prefer SHA-256 for integrity.