How UTF-8 Safe Base64 Encoder & Decoder Works & When to Use It
Encode UTF-8 text (including ₹ symbol and Hindi characters) into Base64 or decode a Base64 string back to UTF-8 text without `btoa` Unicode errors. Calculations and file processing run in this browser tab. The tool does not send working inputs or files to our hosting server.
Step-by-Step Instructions
- Enter the labelled values or choose an example.
- Run the tool and review the result and its assumptions.
- Copy or download the result. Reset restores defaults; Undo restores the previous settings.
Worked Examples
| Scenario | Input Parameters | Example Output |
|---|---|---|
| Encode "Bharat Utility Hub ₹2026" to Base64 | {"inputStr": "Bharat Utility Hub ₹2026", "mode": "encode"} |
QmhhcmF0IFV0aWxpdHkgSHViIOKCuTIwMjY= |
| Decode "QmhhcmF0IFV0aWxpdHkgSHViIOKCuTIwMjY=" to UTF-8 | {"inputStr": "QmhhcmF0IFV0aWxpdHkgSHViIOKCuTIwMjY=", "mode": "decode"} |
Bharat Utility Hub ₹2026 |
Formula, reference and effective date
- Reference Standard / Authority: RFC 4648 Base64 Data Encoding
- Applicable Period / Effective Date: 2025-2026
- Privacy & Execution Mode: Browser-Local Only (Zero Server Upload) (None (Pure Vanilla JS & Web Crypto))
Important Limitations & Edge Cases
For binary image files, use Image to Base64 (T187). Check the assumptions and output against your intended task before relying on the result.
Frequently Asked Questions (FAQs)
1. Is UTF-8 Safe Base64 Encoder & Decoder completely free to use without registration?
Yes. Every tool on Easy Tools Today is 100% free with no paywall, no sign-up, and no subscription required.
2. Are the numbers or files I enter uploaded to any server?
Calculations and file processing run in this browser tab. The tool does not send working inputs or files to our hosting server.
3. What should I check before using the result?
Check the assumptions and output against your intended task before relying on the result. Reference: RFC 4648 Base64 Data Encoding.