Image to Base64 — Data-URI Encoder
Embed small images inline: paste a file, copy the data-URI for CSS background or , size-checked.
Quick answer: Free image→Base64: get data-URI strings for HTML/CSS/JSON with size comparison — files never uploaded.
–original size
–base64 size (+%)
How to use
- Choose an image.
- Copy the CSS or HTML snippet.
- Check the size delta below.
About this tool
Small icons and logos travel best inline. This encoder produces the data-URI (with correct MIME), shows the size-inflation honestly, and says when NOT to use it (big images).
FAQ
Uploaded?
Never — FileReader-local.
When to use Base64?
Small icons (<10KB), email HTML, single-file demos — big images should stay files.
Why is Base64 bigger?
~33% overhead — the tool shows exact before/after.
CSS syntax?
url(data:image/png;base64,…) provided ready-to-paste.
SVG?
Yes — text-safe MIME handled.
Decode back?
Paste the data-URI into any browser address bar to view.
Questions people ask about Image to Base64 Converter
Collected from live search results on 31 Aug 2026 (search-engine "people also ask" boxes plus the questions published on ranking pages).
Can you convert an image to Base64?
The Toolfyra Image to Base64 Converter runs entirely in your browser: open it, enter your input and the result appears instantly. No sign-up, no file upload, no watermark, and it works on phones as well as desktop.
Can I convert an image to Base64 online?
The Toolfyra Image to Base64 Converter runs entirely in your browser: open it, enter your input and the result appears instantly. No sign-up, no file upload, no watermark, and it works on phones as well as desktop.
How can I convert a png image to Base64 online?
The Toolfyra Image to Base64 Converter runs entirely in your browser: open it, enter your input and the result appears instantly. No sign-up, no file upload, no watermark, and it works on phones as well as desktop.
How do I convert png to Base64?
The Toolfyra Image to Base64 Converter runs entirely in your browser: open it, enter your input and the result appears instantly. No sign-up, no file upload, no watermark, and it works on phones as well as desktop.
how to convert image to base64 online
The Toolfyra Image to Base64 Converter runs entirely in your browser: open it, enter your input and the result appears instantly. No sign-up, no file upload, no watermark, and it works on phones as well as desktop.
how do i convert an image to base64
The Toolfyra Image to Base64 Converter runs entirely in your browser: open it, enter your input and the result appears instantly. No sign-up, no file upload, no watermark, and it works on phones as well as desktop.
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