Base64 Decode Online – Convert Base64 to Text or Files
Decode any Base64-encoded text or file in seconds. Our free Base64 decoder instantly converts encoded data back to readable text or downloadable files — no signup required, no data stored. Ideal for developers, testers, and anyone handling encoded content.
Text to decode:
Result:
How to Decode Base64 Online?
Decoding Base64 converts encoded text or files back into their original, readable form — essential for working with encoded data from APIs, emails, and binary content.
To decode your Base64 data:
- Paste your Base64 string or upload your file into the input field above.
- Click Decode.
- The tool will instantly decode and display the original text or file for download.
Why Use a Base64 Decoder?
Instant Decoding
Quickly convert any Base64 string or file back to its original form without installing software.
Readable & Usable Output
Get clean, decoded text or binary data that’s ready to use, edit, or save.
Secure & Private
All decoding happens locally in your browser — your data never leaves your device.
String & File Support
Decode Base64 text, documents, or images with ease and accuracy.
Supports Multiple Formats
Easily decode Base64 data for use in HTML, JSON, XML, emails, or binary files.
Developer-Friendly
Perfect for decoding API responses, email attachments, or embedded resources.
Base64 Decoding – Frequently Asked Questions
What is a Base64 Decoder?
A Base64 Decoder is a tool that converts Base64-encoded text or files back into their original binary or text format. It’s commonly used for processing encoded images, files, or text from APIs, emails, or configuration files.
Why do people use Base64 decoding?
Decoding Base64 allows you to restore original content that was encoded for safe transmission or storage in text-based formats.
Can I decode files from Base64?
Yes. You can paste a Base64 string or upload a Base64-encoded file, and the tool will instantly convert it back to its original format.
Is Base64 decoding secure?
Yes, decoding is safe — it simply restores the original data. However, be cautious with unknown files, as they could contain malicious content.
Will the decoded file be smaller?
Yes. Base64 encoding increases file size by about 33%, so the decoded file will usually be smaller.
Can this tool handle URL-safe Base64?
Yes. It can decode both standard and URL-safe Base64 strings by automatically detecting the format.