Base64 Encoder / Decoder

Encode or decode Base64 strings in your browser

Free

Works great with these tools

Splitting pipeline logs before encoding? Isolate fields with our free regex tester, then Base64-encode the fragments.

Base64 strings often appear inside JSON payloads. Format and validate the full JSON structure with our free JSON formatter.

Working with data pipelines? Convert your CSV data to JSON first, then encode the payload in Base64 for safe transport.

Generating API keys or tokens? Create a strong random string with our password generator, then Base64-encode it here.

Last updated:

How to use this tool

Use the Base64 Encoder/Decoder when you need to convert text into Base64 or decode Base64 back into readable text. It is useful for API testing, data URI checks, debugging tokens, email payloads, JSON values, and developer workflows where text-safe encoding matters.

Step 1

Open the Base64 Encoder/Decoder and enter the text, URL, file, or settings the tool asks for.

Step 2

Review the options, adjust any settings, and run the tool to generate the result.

Step 3

Check the output, copy or download it if available, and use the related tools below for the next step.

Features

  • Encode and decode modes
  • Instant browser-side conversion
  • Copy output quickly
  • Handles normal text strings

Common use cases

  • Decode API payload values
  • Encode text for transport
  • Inspect data URI snippets
  • Debug tokens and config strings

Why use this tool?

Base64 Encoder/Decoder is built for quick, practical work without making you create an account first. It keeps the interface focused, works on mobile and desktop, and pairs naturally with related ToolsRacks utilities such as Regex Tester & Playground and JSON Formatter.

Frequently asked questions

Common questions people ask before using this tool.

Is Base64 encryption?

No. Base64 is encoding, not encryption. Anyone can decode it.

Can I decode any Base64 string?

You can decode valid Base64 text. Invalid or corrupted input may return an error.

Is this tool free?

Yes. The Base64 Encoder/Decoder is free and works without login.

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