Decode Base64 to Unicode

Quickly decode Base64-encoded strings into readable Unicode characters using the Decode Base64 to Unicode Tool. Whether you’re decoding multilingual text, hidden data, or embedded Base64 blobs, this tool reveals the underlying characters instantly. You can trim input, ignore invalid chunks, or highlight errors to keep the output clean and readable. File import, export, and copy features make it easy to use in your workflow.

Paste your input above or import a file below.
No file chosen
Supported file types: .txt, .csv, .tsv, .log, .json, .xml, .md, .ini, .yaml, .yml, .html, .htm, .css
Total characters: 0
Options
Trim input
Ignore errors
Mark invalid chunks

How to Use:

  1. Paste Base64 input into the box or import a text file.
  2. Adjust the toggles to trim input, skip invalid blocks, or flag broken ones.
  3. Unicode output appears live on the right.
  4. Copy or export the result when you’re done.

Tool Options:

  • Trim input: Remove stray spaces before decoding.
  • Ignore errors: Skip invalid Base64 input silently.
  • Mark invalid chunks: Show placeholder or label if decoding fails.

Example:

Input:

5pel5pys6Kqe44OG44K544OI

Output:

こんにちは世界

What Decode Base64 to Unicode Tool can do:

This tool lets you reverse Base64-encoded text back into multilingual characters. It’s great for restoring encoded data from APIs, databases, or obscure export formats. Works with any UTF-8 text that’s been encoded as Base64.

Common Use Cases:

Use it to debug Base64 fields, inspect encoded user input, or review storage content. It’s handy for developers, data analysts, and localization teams dealing with encoded multilingual strings.

Useful Tools & Suggestions:

If you’re already working with Base64, Base64-decode Text might come in handy for quick conversions before diving deeper into Unicode. And when you’re ready to inspect what those characters really are, Analyze Unicode gives you a full breakdown of each symbol.

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