Base64 Encode/Decode
Encode text to Base64 or decode Base64 to text instantly. Supports UTF-8. Free online tool with no data sent to servers.
What is Base64?
Base64 is a binary-to-text encoding scheme that represents binary data as an ASCII string. It is commonly used to embed images in HTML/CSS, encode email attachments, and transmit data in URLs and APIs.
FAQ
Is Base64 encryption?
No. Base64 is an encoding, not encryption. It can be easily decoded by anyone. Do not use it to protect sensitive data.
Does Base64 increase data size?
Yes. Base64 encoding increases data size by approximately 33%.