What is Base64 Encoding?
Base64 is a method used to encode binary data into ASCII text format. It is commonly used in web development, APIs, email transmission, and data storage.
Why Use Base64?
- Safe data transmission over text-based protocols
- Embedding images in HTML or CSS
- API authentication (JWT tokens)
- Email attachments encoding
Base64 Example
Original: Hello World
Encoded: SGVsbG8gV29ybGQ=
Common Base64 Errors
- Invalid padding "=" characters
- Non-Base64 characters in input
- Corrupted encoded strings
- UTF-8 encoding mismatch
FAQ - Base64 Tool
Is Base64 encryption?
No. Base64 is only encoding, not encryption.
Is this tool secure?
Yes. All processing is done in your browser. No data is uploaded.
Can I use it for production?
Yes. It is widely used in development and debugging workflows.
Does it work offline?
Yes. This tool works entirely in your browser without internet dependency.