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  1. 1Choose file
  2. 2Adjust
  3. 3Download

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Drag & drop, paste, or click to select file for AVIF to Base64.

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AVIFFILE

AVIF to Base64 online, free

Get a Base64 data URI and ready-to-paste HTML, CSS and Markdown snippets.

  • Runs in your browser — no upload
  • Free, no sign-up, no watermark
  • JPEG
  • PNG
  • WebP
  • AVIF
  • GIF
  • BMP
  • TIFF
  • HEIC / HEIF

About AVIF

AV1-based image format with the best compression of any widely supported format — HDR, wide gamut, transparency and animation.

More about AVIF
How to use Image to Base64 · Image to Base64 — frequently asked questions

How to use AVIF to Base64

  1. 1

    Add your AVIF file

    The picker on this page only accepts AVIF files.

  2. 2

    Adjust the settings

    The settings start at the Image to Base64 defaults, ready for AVIF input.

  3. 3

    Run the tool

    Press start. Processing happens on your device.

  4. 4

    Save the result

    The result is delivered as TXT.

What Image to Base64 can do

  • Snippet: data uri, html, css and markdown
  • Private by design — files are processed in your browser and never uploaded
  • Free with no sign-up, no watermark and no daily limit

Image to Base64 — frequently asked questions

What is AVIF?

AV1-based image format with the best compression of any widely supported format — HDR, wide gamut, transparency and animation.

Does Image to Base64 work with other formats?

Yes. The main tool also accepts JPEG, PNG, WebP, AVIF, GIF, BMP, TIFF, HEIC / HEIF.

Is my file uploaded?

No. On the web this tool runs in your browser, so your file is not uploaded.

Are there limits?

It takes one input per run. Server jobs accept up to 2 GB. A job can run for up to 120 seconds. In the browser, the practical limit is your device's memory.

Is Image to Base64 really free?

Yes. Image to Base64 is free forever on Sada Files — no ads, no premium tier, no watermark, no daily cap that pushes you to pay. Every option on this page is available to everyone.

Do I need to sign up or create an account?

No. There is no account system at Sada Files. Open the page, drop your file, pick your options and save the result. History and saved workflows stay on your device.

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