Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 back to text.

Encode text to Base64 or decode Base64 back to text.

Encode text to Base64 or decode Base64 strings back to text. No uploads, runs entirely in your browser.

How to Use Base64 Encoder / Decoder

  1. Select or drag and drop your file(s) into the Base64 Encoder / Decoder workspace.
  2. Adjust the custom parameters, formats, or options to your requirements.
  3. Preview the processed output in real time and download the result instantly to your device.

Key Capabilities & Features

  • 100% Client-Side Processing: Your data never leaves your computer or mobile device.
  • Fast & Instant: Powered by modern WebAssembly and HTML5 browser APIs without upload delays.
  • No Signups & No Watermarks: Completely free and unlimited for personal and professional use.

Privacy & Security Guarantee

At Toolbo, privacy is built directly into the software architecture. Base64 Encoder / Decoder processes all inputs directly in client-side browser memory. There is no server upload, no remote file caching, and zero tracking of your document or media contents.

Frequently Asked Questions

Is Base64 encoding secure for private data?
Base64 is an encoding format rather than encryption. However, all encoding/decoding is performed locally in your browser so data is never transmitted across the network.
Does it support Unicode and UTF-8 characters?
Yes, full UTF-8 Unicode characters including emojis and multi-byte scripts are supported.

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