Base64 Encoder & Decoder
Convert text, emojis, source code, and images to Base64 data with live browser-side processing.
Drag and drop an image or click to select
Supports PNG, JPG, GIF, WebP, SVG, and icons. Processed 100% locally.
Understanding Base64 Encoding
📦 What is Base64?
Base64 is a binary-to-text encoding scheme that translates raw bytes into a sequence of 64 ASCII characters (A-Z, a-z, 0-9, +, /) designed to safely traverse protocols like HTTP and SMTP.
🌐 URL-Safe Variant
Standard Base64 contains characters + and / which hold reserved meanings in URLs. URL-safe Base64 substitutes them with - and _ respectively.
🖼️ Embedding Images
Encoding small icons and logos as Base64 Data URIs allows developers to inline assets directly into HTML or CSS files, eliminating separate HTTP request round-trips.