Base64 Encoder Decoder
Use this free Base64 Encoder Decoder to instantly encode plain text to Base64 or decode Base64 back into readable text. It is useful for developers, API work, tokens, debugging, email templates, data transfer, configuration strings, and testing workflows. Switch between encode and decode mode, use URL-safe Base64, remove line breaks, copy results, and download the final output in seconds.
Base64 result
Enter your text or Base64 string and click Process Base64 to encode or decode instantly.
How to use
- Select encode or decode mode.
- Paste your input text or Base64 string into the input box.
- Choose options like URL-safe mode or line-break cleanup.
- Click Process Base64 to get the result instantly.
Example
Input: Hello World
Mode: Encode
Output: SGVsbG8gV29ybGQ=
Use Case: Useful for APIs, tokens, testing, and encoded data transfer.
Recent history
Where can you use this Base64 Encoder Decoder?
APIs & Tokens
Encode and decode payload text, tokens, credentials, and request data used in API workflows.
Development & Debugging
Use Base64 conversion while testing apps, inspecting values, decoding strings, and preparing sample data.
Email & Data Transfer
Work with encoded strings in templates, headers, configuration data, attachments, and transferred content.
When to use this tool
When you need encoded text
Quickly encode text into Base64 when working with APIs, systems, tokens, or browser-based tools.
When debugging encoded values
Decode Base64 strings to inspect readable content and troubleshoot configs, payloads, or responses.
When cleaning broken Base64
Remove line breaks and paste malformed strings for easier decoding or reuse.
Frequently Asked Questions
This tool converts plain text into Base64 and also decodes Base64 strings back into readable text.
URL-safe Base64 replaces characters like + and / with safe alternatives so the result works better inside URLs and web parameters.
Yes. The tool can remove line breaks before processing, which helps when pasted Base64 is split across lines.
Yes. It is browser-based and works on both desktop and mobile devices.
Yes. You can encode and decode Base64 online for free.
About this free online Base64 Encoder Decoder
This Base64 Encoder Decoder helps you convert text to Base64 and decode Base64 back to readable text instantly. It is useful for developers, testers, API users, DevOps teams, email system users, and anyone working with encoded data strings in web or app workflows.
The tool supports encode and decode mode, URL-safe Base64, line-break cleanup, copy tools, output download, and a visible history panel. That makes it especially helpful for request debugging, token handling, config inspection, transferred data, and encoded application values.
Because it runs directly in the browser, it is quick and simple to use on both desktop and mobile. Whether you are inspecting encoded text, preparing values for a request, or decoding a pasted Base64 string, this tool gives you fast and readable results without extra setup.
You may also find these related tools useful, including UUID Generator, Random Number Generator, Random Name Picker, Slug Generator, and Text Sorter. These tools help with development, utility workflows, and content cleanup tasks.