Utilities

Tools

Small browser-local utilities. Each one runs entirely client-side — no data leaves your machine (except the P2P transfer, which routes directly between two browsers, never through a server). Free. MIT licensed. Yours.

Privacy

EXIF Stripper

Drop a photo, see embedded metadata (GPS, camera, timestamps), download a clean copy. Browser-only.

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P2P File Transfer

Direct WebRTC transfer between two browsers. Files go peer-to-peer, never touching a server.

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Security

Password Generator

Cryptographically random passwords. Configurable length, character sets, entropy readout. Web Crypto.

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Hash Generator

SHA-1, SHA-256, SHA-384, SHA-512 hashes for text or files. Browser-only via Web Crypto.

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JWT Decoder

Decode JSON Web Tokens entirely in your browser. Header, payload, claims. Never sent over the network.

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Image & Generation

Image Optimizer

Compress and convert images. JPEG, PNG, WebP with adjustable quality. Batch download as zip.

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QR Generator

Configurable size, error correction, colors. Export as SVG or PNG. No network calls.

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Why these are here: I built them years ago for the original caseytunturi.com because I needed them and the alternatives all wanted to upload your files. They sat on a personal portfolio. They belong on the Portal — useful, free, sovereign by construction.