Base64 Encoder & Decoder
Free online Base64 encoder and decoder for text, JSON, JWT tokens, and query strings. Encode or decode instantly in your browser with no uploads.
Keep your flow going
A few more tools that might come in handy.
QR Code Generator
Create free QR codes online with custom colors, logos, quiet zones, and print-ready SVG or PNG downloads.
Barcode Generator
Generate EAN, UPC, Code 128, and GS1 barcodes online with automatic check digits and print-ready SVG/PNG exports.
Unit Converter
Convert units online for length, weight, temperature, volume, area, and speed with real-time results and quick swaps.
Percentage Calculator
Calculate percentages online for discounts, markup, percent change, and percent of number scenarios with instant summaries.