- What is Base64 Encode/Decode best for?
- Convert UTF-8 text to Base64 encoding and decode Base64 back to plain text.
- Does Base64 Encode/Decode upload or store my data?
- This text tool is local-first in the browser and does not store your input for normal conversion workflows.
- What's the difference between encoding and decoding?
- Encoding (e.g., 'Hello' → 'SGVsbG8=') converts text to Base64 for safe transmission or storage. Decoding reverses this: 'SGVsbG8=' → 'Hello'. Base64 is not encryption—anyone can decode it.
- Why does decoding produce garbled text?
- The input is not valid UTF-8 text encoded in Base64. Common causes: you're trying to decode binary data (images, files) as if it were text, or the original encoding was not UTF-8. Binary data should be downloaded as bytes, not displayed as text.
- Can I Base64 encode files?
- This tool works with text input. For file encoding, use the Base64 File Encoder which handles binary files and provides proper download links. Text-based encoding is for small payloads like API keys or tokens.
- Why are there = or == at the end of some Base64 strings?
- Padding (=) ensures the encoded length is divisible by 4. It's required for strict Base64 decoding but many implementations handle missing padding. Strings without padding are often URL-safe Base64 variant.
- Which tools pair well with Base64 Encode/Decode?
- Common next steps include Hash Generator, URL Encode/Decode. These related tools help continue the same workflow through generation, validation, formatting, or debugging.