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Base64 to Text Converter
Decode valid UTF-8 Base64 and show invalid-input errors.
Text and web conversion workspaceConversions run locally in your browser.
Privacy-focused processingBrowser processing is used wherever practical.
25-minute cleanup policyServer files, when required, are removed after completion—not during active work.
Text, pasted data or supported local filesMaximum size and exact support are shown inside the tool.
About This Tool
Decode valid Base64 bytes into UTF-8 text with clear errors for invalid or non-text data.
How to Use
- Paste Base64 text.
- Review the decoded text or a clear error message.
- Copy or download the TXT result.
Tool Features
- UTF-8 decoding
- Invalid Base64 detection
- Non-UTF-8 error handling
- TXT download
Common Use Cases
Complete repetitive formatting or calculation tasks.
Prepare clean output for websites and documents.
Inspect and verify your result before downloading.
Supported Input and Output
Text, pasted data or supported local files
- Check the tool workspace for its exact file-size limit.
- Browser format support can vary by device and browser version.
- Always review the generated result before important use.
Frequently Asked Questions
What if my Base64 contains binary data?
This text tool rejects bytes that are not valid UTF-8 text.
Security and Privacy Information
Supported processing runs inside your browser whenever practical.
When server processing is required, cleanup starts only after the work completes.
Avoid uploading confidential data unless you understand the displayed processing notice.