Encode text to Base64 or decode Base64 strings back to text. Handles Unicode and special characters.
✓ Free forever
✓ No sign up
✓ No file size limits
✓ Works on all devices
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Files uploaded via HTTPS, processed securely, deleted after 1 hour. Never shared.
Frequently asked questions
Base64 is an encoding scheme that converts binary data (or text) into a safe ASCII string. Commonly used in email attachments, data URLs, and API tokens.
Yes — the encoder handles Unicode and special characters correctly.
Yes, completely free, forever. No hidden fees, no subscriptions, no sign up required.
Yes — iPhone, Android, Mac, Windows, any browser. No app download needed.