0
Input Characters
About Base64 Decoder
Base64 Decoder is a free online tool that converts Base64 encoded data back into readable UTF-8 text. The decoding process runs directly in your browser, making it useful for developers, students and anyone working with Base64 encoded content.
How To Use
- Copy your Base64 encoded text.
- Paste it into the Base64 input box.
- Click Decode Base64.
- Review the decoded output.
- Click Copy Output if you want to copy the result.
Features
- Fast browser-based Base64 decoding.
- UTF-8 text decoding.
- Supports Unicode text.
- Supports Bangla, English and emoji content.
- Invalid Base64 input detection.
- Copy decoded output with one click.
- Input and output statistics.
- No registration required.
- No server-side processing required.
Frequently Asked Questions
What is Base64 decoding?
Base64 decoding converts Base64 encoded data back into its original byte representation and, when the data represents text, into readable text.
Is this Base64 Decoder free?
Yes. The Base64 Decoder is free to use.
Does it support Unicode?
Yes. The decoder uses UTF-8 decoding so Unicode content such as Bangla and emoji can be decoded correctly when the original data was encoded as UTF-8.
Is my Base64 data uploaded to a server?
No server request is required for the decoding operation. The data is processed directly in your browser.
What happens if the Base64 input is invalid?
The tool displays an error message instead of producing an unreliable decoded result.
Can I copy the decoded output?
Yes. Click the Copy Output button to copy the decoded text.