Base64 Encoder / Decoder Online
Convert data URIs, binary assets, and text strings to and from Base64 encoding. Essential for embedding inline images in CSS and web apps.
Zero server upload · Secure client-side execution
Result
SGVsbG8gZnJvbSBTZW1ydXNoIEFJIFRvb2xzIQ==
Step-by-Step Guide
How to use Base64 Encoder / Decoder
Follow these simple steps to process your documents directly in your browser.
1
Choose Mode
Select Encode or Decode.
2
Enter Text or Data
Paste input string.
3
Convert
UTF-8 compatible Base64 conversion.
4
Copy Result
Use in API headers or inline code.
Key Advantages
Why use Semrush AI Tools for Base64 Encoder / Decoder?
UTF-8 compliant encoding
Instant live decoding
Data URI generator support
Answers & Guidance
Frequently Asked Questions about Base64 Encoder / Decoder
Everything you need to know about functionality, privacy, and file limits.
No, Base64 is an encoding format, not encryption.
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