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Utility Tools

Handy generator and utility tools to speed up your workflow.

QR Code Generator
Popular
Generate custom QR codes for any URL or text. Choose colors and download as PNG.
JWT Decoder / Encoder
New
Decode and inspect JWT tokens or encode & sign new JWTs with HS256. 100% private.
Base64 / Base62
New
Encode or decode Base64, Base64 URL-safe, and Base62 strings instantly in your browser.
Barcode Generator
Soon
Generate barcodes in Code-128, EAN-13, UPC-A and more formats.

What is Free Online Developer Utility Tools?

FileMint's Utility Tools collection brings together the most commonly needed developer and productivity utilities in one place — completely free and browser-based. Generate QR codes for any URL or text, encode and decode Base64 strings, debug JWT tokens, and more....