Base64 Converter

Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format by translating it into a radix-64 representation. It's commonly used when there is a need to encode binary data that needs to be stored and transferred over media designed to deal with textual data.

How to Use This Base64 Converter Tool

1. Text Encoding: Type or paste your text in the Input section and click "Encode to Base64". The encoded result will appear instantly in the Output section.
2. Base64 Decoding: Paste a Base64 string in the Input section and click "Decode from Base64" to convert it back to the original text.
3. File Encoding: Drag and drop any file (images, PDFs, documents) or click "Browse Files" to encode it to Base64 format.
4. Real-Time Conversion: Our tool automatically detects whether your input is plain text or Base64 and suggests the appropriate operation.
5. Advanced Features: Use the options to make Base64 URL-safe, add line breaks, auto-copy results, and more.

Common Use Cases for Base64

• Data URLs: Embed images directly in HTML or CSS files without separate file requests.
• Email Attachments: Encode binary files for transmission through text-only email protocols.
• API Communication: Send binary data through JSON or XML APIs that only accept text.
• Web Storage: Store binary data in localStorage or sessionStorage which only supports strings.
• Cryptography: Represent encrypted data or digital signatures in a readable format.

Base64 Encoding Characteristics

Base64 encoding increases the data size by approximately 33% because every 3 bytes of binary data are encoded into 4 ASCII characters. The encoded output consists of characters from the set: A-Z, a-z, 0-9, +, /, and = for padding. URL-safe Base64 replaces + with - and / with _ to make the string safe for use in URLs and filenames.