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Core

Base64 Encoder and Decoder

Input

11 chars2 words1 lines

Output

16 chars1 words1 lines
ReadyRuns locally in the browser for fast, private text transformations.

About This Base64 Encode / Decode Tool

Encode text into Base64 or decode Base64 content instantly. Base64 Encoder and Decoder converts text to and from Base64. It is helpful for examples, tokens, small payloads, configuration snippets, and debugging encoded content.

People often search for base64 encoder, base64 decoder, base64 encode online, base64 decode online when they need a small task completed immediately. Instead of opening a heavy editor or writing a temporary script, you can use this page to check input, preview output, and keep changing the text until it matches the format you need. The tool is especially helpful when you are preparing data for code reviews, API requests, SQL queries, spreadsheet cleanup, content migration, or debugging sessions where a tiny formatting mistake can waste time.

How to Use It

  1. Paste plain text or Base64 text.
  2. Choose encode or decode mode.
  3. Check whether decoded content is readable UTF-8.
  4. Copy the output.

When This Tool Helps

  • You need to inspect a Base64 value from a config file, test fixture, or API example.
  • You want to encode a small text sample for documentation or transport.
  • You need to explain that Base64 is reversible encoding, not encryption.

Common Use Cases

  • Encoding small text samples for configuration.
  • Decoding basic Base64 payloads.
  • Inspecting encoded examples in docs.
  • Preparing test fixtures.

Common Mistakes to Check

  • Assuming Base64 means encryption.
  • Pasting binary data into a text-only decoder.
  • Forgetting padding characters.
  • Decoding URL-safe Base64 with incompatible formatting.

Related Tools

JWT DecoderURL Encode / DecodeJSON To String

FAQ

Is my data private?

Your pasted text is processed locally in the page for the tool workflow. Avoid pasting secrets into any website unless you fully control the environment.

Can I bookmark this exact tool?

Yes. Each tool has its own indexable page with a direct URL, so you can bookmark the exact converter, formatter, decoder, or cleanup utility you use most.

Is Base64 encryption?

No. Base64 is encoding and can be decoded by anyone with the text.

Can it decode JWTs?

Use the JWT Decoder for tokens because JWTs have multiple Base64URL parts.

Does it support Unicode text?

The tool is designed for normal UTF-8 text workflows.