Decode Base64 to text

Decode a Base64 string into readable UTF-8 text.

  1. 1Add files
  2. 2Options
  3. 3Convert
  4. 4Save
No installation · Processed in your browser

Preparing the converter…

Add your TXT, B64 filesDrop files here or choose them from your device.Drop here to add your files. Choose TXT, B64 files TXT, B64TXTNo fixed byte cap · browser memory and format limits apply
Choose a file to check its format and size.

Supported formats and settings

Input formats
TXT, B64
Output formats
TXT
Per-file limit
Current device memory
Total selected-file limit
Estimated by file count and format
Number of selectable files
1–50

Recommended input total: 8 MiB on mobile / 32 MiB on desktop. Low memory can reduce the effective limit.

Your files are not uploaded to a conversion server. A new result is created in your browser.

How to use this tool

  1. Choose files in TXT, B64 format. Maximum files per batch: 50.
  2. Check the input format and file order, then start processing.
  3. Download the TXT result and check its content and quality.

What this tool does

  • Decode a Base64 string into readable UTF-8 text.
  • Read TXT, B64 input and save the TXT result as a new file.

Limitations

  • Binary data or text encoded with a different character set may not produce readable UTF-8.

Frequently asked questions

Decode Base64 to text — What should I check before using this tool?

Binary data or text encoded with a different character set may not produce readable UTF-8.

Which files can I choose?

Choose files in TXT, B64 format. Maximum files per batch: 50.

How can I adjust the result?

The input is checked and processed without additional settings.

When is this useful?

Read UTF-8 text encoded as Base64. This does not turn image data or encrypted bytes into prose.

Input and result example

SGVsbG8= → Hello

Examples illustrate the workflow; actual size, support and recognition depend on the source and settings.

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