Developer tools / Encoding
Base64 Converter
Encode Unicode text and small files as Base64, or decode Base64 back into readable text and downloadable data.
Runs entirely on your deviceNo uploads, accounts, cookies, or personal tracking.
INPUT0 characters
RESULTNot generated
1. Add your data
Paste text, paste Base64, or choose a small file.
2. Choose the result
Encode or decode using UTF-8-safe conversion.
3. Save it locally
Copy the value or download the decoded file.
About this tool
Use Base64 Converter without an upload
Encode Unicode text and small files as Base64, or decode Base64 back into readable text and downloadable data.
The operation runs in the current browser tab. Tool input is not included in aggregate analytics, and the standalone download makes no analytics requests.