Online Base64 Encoder
Need Custom Conversion?Encode plain text to Base64 in your browser with UTF-8 support. Copy the output or download a text file; processing stays on your device.
Why teams use this Base64 Encoder page
Encode plain text to Base64 in your browser with UTF-8 support. Copy the output or download a text file; processing stays on your device.
Matches this URL
Copy and controls align with /base64-encoder so bookmarks reopen the same workflow.
Preview before download
Catch formatting issues while the file is still in the tab.
Browser-first
No installer on locked-down laptops—open, run, save.
Private when local
Sensitive drafts stay on-device on routes that process locally.