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Base64 Converter

Encode Unicode text or small files to Base64 and decode them locally.

Private workspaceYour input stays on this device. HaloBench tools run in your browser whenever possible.
Result

Guide / 01

When to use it

Use it to embed a short configuration value in JSON or to inspect the UTF-8 text represented by a Base64 block copied from a message or log.

Guide / 02

Quick guide

  1. Enter text directly, or load a small file to obtain its Base64 payload.
  2. Choose Encode for source text or Decode when the Base64 is expected to contain UTF-8 text.
  3. For important values, decode the encoded output and compare it character for character with the original.

CHECK

Validate the result

Encode Every tool has its place. and decode the result; a successful round trip restores the exact spaces and final period.

LIMITS

Know the limits

Base64 is not encryption and does not protect passwords or keys. Large files consume substantial browser memory, and decoding arbitrary binary data as text can produce unreadable or altered output.

Reference

Input and output example

Actual output depends on your input and browser environment. Verify any value used for an important decision.

Example input
HaloBench ✓
Expected output
SGFsb0JlbmNoIOKckw==

FAQ

Frequently asked

Does Base64 make a file smaller?

No. The Base64 body is typically about one third larger than the binary source, and a data-URL prefix or padding may add more characters.

Does my data leave this device?

No. This tool is designed to process its working data in your browser. Advertising may load separately, but your tool input is never sent with it.