Image → Base64 · for HTML, CSS, LLMs, JSON
Encode any image to base64, full data URL, raw base64, CSS background snippet, or HTML img tag. For inline embedding, LLM prompts, JSON payloads.
Drop your image
Drop an image. We encode it to base64 in your browser, for HTML inline, CSS data URLs, JSON payloads, or LLM prompts.
Up to 50 MBPhotos stay in your browser
Questions
- Is Image to Base64 free?
- Yes. Image to Base64 is completely free, with no account, no sign-up, and no usage limits. It runs entirely in your browser.
- Do my files get uploaded?
- No. Image to Base64 processes everything on your device, so your files never leave your browser. You can verify it yourself: open your browser's DevTools, watch the Network tab, and you'll see nothing gets sent.
- How do I use Image to Base64?
- Encode any image to base64, full data URL, raw base64, CSS background snippet, or HTML img tag. Just drop your image in above, everything happens locally in your browser, so it's instant and private.
- Is there a file size limit?
- There's no hard limit. Because Image to Base64 works locally, the only ceiling is your device's memory, larger files simply use more RAM. Nothing is capped by a server.
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