Free Base64 Encoder & Decoder Online | Convert, Encode & Decode Base64 Text, JSON, JWT Tokens & Query Strings Instantly Without Uploads
Free online Base64 encoder and decoder for text, JSON, JWT tokens, and query strings. Encode or decode instantly in your browser with no uploads.
Related tools
Explore more helpers you might need next.
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.