Encode & Decode
Base64 Instantly
The fastest, cleanest Base64 tool online. Encode text, decode strings, convert files — all in your browser.
Image to Base64
Convert any image (PNG, JPG, GIF, SVG, WebP) into a Base64 encoded string for use in HTML or CSS.
File to Base64
Convert any file into Base64 — perfect for embedding binaries, documents, or assets inline.
PDF to Base64
Encode PDF files to Base64 for embedding in JSON, XML, email, or web API payloads.
Base32 Encode
Encode and decode text using the Base32 alphabet — useful for TOTP tokens and case-insensitive systems.
PHP base64_encode()
See how to encode/decode Base64 in PHP using the built-in base64_encode() and base64_decode() functions.
Python base64.b64encode()
Python's base64 module provides b64encode() and b64decode() for Base64 operations.
JavaScript btoa()
Use the built-in btoa() and atob() functions in JavaScript to encode and decode Base64 strings.
Java encode()
Java's java.util.Base64 class provides static methods to encode and decode Base64 data.
Image to Base64
Convert images to Base64 encoded strings for use in HTML img tags, CSS backgrounds, or data URIs.
Drop image here or click to browse
Supports PNG, JPG, GIF, SVG, WebP, BMP — max 10MB
File to Base64
Encode any file — PDF, ZIP, DOCX, audio, video — to Base64. Runs entirely in your browser. No uploads to server.
Drop any file here or click to browse
PDF, DOCX, ZIP, MP3, MP4, and more — max 50MB
Base32 Encode & Decode
Encode or decode text using the Base32 alphabet (RFC 4648). Commonly used in TOTP (2FA) tokens and DNS records.
Base64 in Every Language
Copy-paste ready Base64 encode and decode examples for 13 languages and platforms.