Base64 Encode
Encode text or files to Base64 format. All processing runs locally in your browser — no data is uploaded.
Characters: 0
Encode Line by Line
Each line is encoded independently, outputting one Base64 string per line
How to Encode Base64
Encode text or files to Base64 in a few simple steps:
1
Choose Input Mode
Switch between Text Encode (paste or upload a .txt file) and File Encode (upload any file type).
2
Configure Options
Enable line-by-line encoding, auto-clean spaces, or auto-padding as needed for your use case.
3
Copy or Export
Click Encode and get your Base64 result instantly. Copy to clipboard or export as a .txt file.