Base64 Encoder & Decoder
Free Online Base64 Encoder & Decoder
Base64 encoding converts text or binary data into a text-safe format made up of letters, numbers, and a few symbols. This tool lets you encode plain text or files into Base64, or decode a Base64 string back into its original text or file — all processed instantly in your browser.
Common Uses for Base64 Encoding
- Embedding small images directly into HTML or CSS as data URIs.
- Encoding data for safe transmission in URLs or JSON payloads.
- Decoding Base64 strings found in API responses or JWT tokens.
- Preparing binary file data for text-based systems like email attachments.
Frequently Asked Questions
Find answers to common questions about this tool, data privacy, and usage.
Type or paste your text into the input field and the tool instantly converts it to its Base64-encoded string, ready to copy.
