Encoding, Security & Instant Utilities
Base64, hashes, UUIDs, ciphers and identity lookups — instant encoding utilities with a no-upload privacy guarantee.
61 free tools in this collection.
Most-used in this category
Password Generator
Encoding
Password generator tool that works in seconds: enter your input, get results. Nothing uploads — all processing stays on your device. Free forever.
Open toolWhat Is My IP
Encoding
What is my ip — free, instant and honest about its math. Real worked examples included. No signup, no uploads, works worldwide.
Open toolQR Code Generator
Encoding
Qr code generator online: free, unlimited, no signup. Accuracy notes and worked examples included. US-friendly and works everywhere.
Open toolBase64 Encoder/Decoder
Encoding
A base64 encode built for speed: results appear as you type. Runs client-side so your input stays yours. Free, no account required.
Open toolUUID Generator
Encoding
Fast, private uuid generator: everything is computed locally in your browser. Free for US and international users, no account needed.
Open toolRandom Number Generator
Encoding
Free online random number generator with instant output and a documented methodology. Private by design — your data never leaves the browser tab.
Open toolURL Encoder/Decoder
Encoding
Url encoder — free, instant and honest about its math. Real worked examples included. No signup, no uploads, works worldwide.
Open toolHash Generator (MD5/SHA)
Encoding
Md5 hash generator — free, instant and honest about its math. Real worked examples included. No signup, no uploads, works worldwide.
Open toolHTML Entity Encoder/Decoder
Encoding
Html entity encoder tool that works in seconds: enter your input, get results. Nothing uploads — all processing stays on your device. Free forever.
Open toolJWT Decoder
Encoding
Jwt decoder that just works — free, instant, private. Full formula transparency and real examples. No signup, US or global use.
Open tool