Base64 Encode/Decode

Encode or decode Base64 strings and files.

Browser-based processing for supported files

Drop files here or click to browse

base64 encode/decode online

Base64 Encode/Decode online

Base64 Encode/Decode helps you encode or decode base64 strings and files. It is built for people who want a fast, simple base64 encode/decode online without creating an account or installing extra software.

For supported files, the workflow is browser-based: choose your file, adjust the available options, process it locally, and download the result. This keeps the experience quick and reduces the privacy risk that comes with uploading files to unknown servers.

Text and data conversions often include API responses, exports, logs, or spreadsheet content. Local processing is especially useful when the data should not be pasted into random third-party tools.

How to use Base64 Encode/Decode

  1. 1Choose your TXT, ANY file from your device.
  2. 2Review the tool options and keep the default settings if you want the fastest result.
  3. 3Create the TXT output directly in your browser.
  4. 4Download the finished file and, if needed, run another related tool.

Common use cases

Converting structured text for

Converting structured text for developers, analysts, and spreadsheet workflows.

Cleaning pasted data before

Cleaning pasted data before importing it into another app or database.

Formatting data locally without

Formatting data locally without sending private content to a server.

Why use ClickFileConvert?

Works in your browser

This tool is available now and runs locally in your browser for supported files.

Clear format support

This page documents TXT, ANY input and TXT output so you can confirm the right tool before starting.

No signup required

The public tools are designed for quick one-off tasks without account creation, subscriptions, or unnecessary steps.

Part of a larger toolkit

Continue with related tools such as JSON Prettify, CSV to JSON.

Supported formats

Input

txtany

Output

txt

Privacy and processing

For this browser-based tool, your selected files stay on your device. The page loads the converter code, then your browser reads the file in memory and creates the output locally.

ClickFileConvert labels tools honestly: conversions run in your browser so files stay on your device, and high-risk formats are kept as informational guides.

Related tools

Json PrettifyOpen another tool in the ClickFileConvert toolkit.Csv To JsonOpen another tool in the ClickFileConvert toolkit.

Frequently asked questions

Is Base64 Encode/Decode free to use?

Yes. Base64 Encode/Decode is free to use in your browser with no account required.

Are my files uploaded?

For this browser-based tool, your selected files stay on your device. The page loads the converter code, then your browser reads the file in memory and creates the output locally.

What formats does Base64 Encode/Decode support?

Input formats: TXT, ANY. Output formats: TXT.

Do I need to install software?

No. ClickFileConvert is designed to run in the browser, with working tools available directly from the page.