Convert File to Base64

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About this conversion

Encode any file as a Base64 text string. This converter processes your Any file file server-side and returns a Base64 TXT file instantly — no account, no software installation, and no file storage. Files are deleted from our servers immediately after conversion.

How to convert Any file to Base64 TXT

1. 1. Upload — drag your Any file file onto the converter above, or click to browse.
2. 2. Convert — press Convert. Processing happens on secure servers in seconds.
3. 3. Download — your Base64 TXT file downloads automatically. No sign-up required.

Convert Any file to Base64 TXT from the command line

curl --fail-with-body \
  -H "Authorization: Bearer YOUR_TOKEN" \
  -F "file=@input.*" \
  -F "conversionId=file-to-base64" \
  https://www.omniconvert.cloud/api/convert -o output.txt

The API needs a token from a credit pack, and each API conversion uses one credit. Converting on this page stays free. API documentation