Encode & decode Base64
instantly in your browser
Encode and decode text, images, files, and PDFs to and from Base64 with instant preview. Everything runs in your browser. Nothing is uploaded.
No sign-up · No data stored · Works offline
Base64 Converter
Encode and decode text to Base64 instantly. Supports standard and URL-safe Base64 with real-time conversion.
All the Base64 tools you need
Dedicated converters for every format, each optimized for its use case.
Text to Base64
Encode plain text to Base64 with URL-safe option.
Base64 to Text
Decode Base64 strings back to readable plain text.
Image to Base64
Convert PNG, JPG, GIF, SVG, WebP to Base64 with CSS & HTML snippets.
Base64 to Image
Decode Base64 strings back to images with live preview.
File to Base64
Convert any file to Base64 with drag & drop. Up to 25 MB.
Base64 to File
Decode Base64 back to a downloadable file with MIME detection.
PDF to Base64
Encode PDF documents to Base64 for embedding or transmission.
Base64 to PDF
Decode a Base64 string and download the result as a PDF.
Hex ↔ Base64
Convert between hexadecimal strings and Base64 encoding.
Validate Base64
Check if a string is valid Base64 with padding and variant diagnostics.
Code Snippets
Ready-to-use Base64 examples in JavaScript, Python, PHP, and Go.
Base64 Icons
Browse 5,000+ SVG icons and copy as Base64, data URI, or CSS snippet.