Base64 Encoder / Decoder
Encode and decode Base64 text using Unicode-safe browser APIs.
What this tool does
Base64 represents bytes using printable text characters. It is often used to carry small data values in text-based formats; it is an encoding, not encryption.
How Base64 Encoder / Decoder works
- Choose a file or enter the value you want to work with.
- Set the available options for the result you need.
- Run the tool, review the result, and download or copy it.
Tips and limitations
Do not use Base64 to protect passwords or confidential information. Anyone with the encoded value can decode it.
Privacy and file handling
Most tools on The Tools Kit process selected files or text in your browser without sending them to our server. The AI Image Enhancer can send a selected image to a configured processing provider when enabled. Read the Privacy Policy before using that feature with personal or confidential material.
Frequently Asked Questions
What does Base64 Encoder / Decoder do?
Encode and decode Base64 text using Unicode-safe browser APIs.
How does Base64 Encoder / Decoder work?
Base64 represents bytes using printable text characters. It is often used to carry small data values in text-based formats; it is an encoding, not encryption.
Do I need an account to use it?
No account is required. Use the controls on this page and review the result before you copy or download it.
Is my information uploaded or saved?
Most tools process your input in this browser and do not send it to The Tools Kit server. Some lookups may use external providers, as described above the controls. See the Privacy Policy for details.