Security & Privacy Tools

10 tools 100% Client-Side

AES encryption, RSA key generation, Hash/HMAC, CSP headers, and password generators.

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Security & Privacy10 tools

AES encryption, RSA key generation, Hash/HMAC, CSP headers, and password generators.

100% Local Only

Showing 10 tools

Local

Base64 Encoder & Decoder

Encode and decode UTF-8 Unicode text, files, images, and Data URLs with URL-safe Base64 toggles, line wrapping, and live image preview thumbnails.

developer

Local

JWT Decoder & Inspector

Base64URL decode JWT tokens, inspect registered and custom claims (exp, iat, iss, sub), detect security vulnerabilities, and verify HMAC signatures.

developer

Local

UUID Generator & Validator

Generate v4 random, v7 time-ordered sortable, and v1 timestamp UUIDs with bulk generation up to 5,000 items, custom formatting, and structural validation.

developer

Local

Password & Passphrase Generator

Generate cryptographically secure passwords and Diceware passphrases with Shannon entropy metrics, custom symbol sets, batch generation, and auto-clearing clipboard.

security

Local

Hash & HMAC Generator

Generate SHA-256, SHA-512, SHA-384, SHA-1, MD5, CRC32 hashes and HMAC signatures with secret keys and chunked file streaming for large files.

security

Local

RSA Key Generator

Generate 2048, 3072, and 4096-bit RSA key pairs with Web Crypto for RSA-OAEP, RSASSA-PKCS1-v1_5, and RSA-PSS, with PEM/JWK exports and in-browser crypto testing.

security

Local

AES Encryption & Decryption

Encrypt and decrypt text and files with AES-GCM (authenticated) and AES-CBC, 128/192/256-bit keys, PBKDF2 passphrase derivation, and self-contained envelopes.

security

Local

Image Metadata & EXIF Viewer

100% in-browser EXIF, IPTC, XMP, and GPS viewer. Inspect camera optics, interactive location maps, timestamps, privacy audit, and 1-click metadata stripper.

images

Local

URL Encoder & Decoder

Encode and decode URLs with Component, Full URI, and Form-URL modes, syntax highlighting for percent escapes, batch line processing, and query editors.

developer

Local

CSP (Content Security Policy) Generator

Build, validate, and test Content Security Policy headers with risk diagnostics, nonce & hash calculators, and sandbox violation test lab.

security