Base64 encoder & decoder

Encode ordinary text or decode Base64 values with clear errors.

How to Use Base64 encoder & decoder

  1. Choose encode or decode, then paste the value.
  2. Review the result and its visible context before using it.
  3. Copy, download, or save only the output you need.

Purpose & Processing Boundary

Encode ordinary text or decode Base64 values while keeping the transformation in your browser.

Your input stays in this browser session unless you choose to copy or save a result.

Frequently Asked Questions

How do I start with Base64 encoder & decoder?

Begin by following this first step: Choose encode or decode, then paste the value. Then review the visible guidance before sharing any output.

What should I know before using Base64 encoder & decoder?

Your input stays in this browser session unless you choose to copy or save a result.

What should I do with the result?

Review the result and its visible context before using it. Copy, download, or save only the output you need.

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