Image Format Converter
Convert images between JPG, PNG, WebP, GIF, and other formats.
What is the Free Image Format Converter?
The free Image Format Converter converts images between PNG, JPEG, WebP, and AVIF entirely in your browser — no upload to any server, no account required. Drop or select your image into the drop zone, click an Output Format button (PNG, JPEG, WebP, or AVIF), and a side-by-side Original vs Converted preview appears instantly showing both the visual result and the new file size. For JPEG output a Quality slider (10–100%) lets you balance file size against image quality, and a Background colour picker fills any transparency before conversion. Hit Download to save the converted file.
- → Converting PNG screenshots to JPEG to dramatically reduce email attachment size
- → Converting images to WebP for faster web page load times and better Core Web Vitals
- → Converting JPEG photos to PNG to preserve quality for further editing
- → Batch-converting design assets to AVIF for next-generation web delivery
How to Use the Free Image Format Converter
- 1 Drop your image onto the drop zone or click to select a file.
- 2 Click the desired Output Format button: PNG, JPEG, WebP, or AVIF.
- 3 For JPEG or WebP, drag the Quality slider to balance file size vs. quality.
- 4 If converting to JPEG, use the Background colour picker to set a fill colour for any transparent areas.
- 5 Compare the Original and Converted previews — file sizes are shown beneath each.
- 6 Click Download to save the converted image to your device.
Key Features
- 🖼️ PNG, JPEG, WebP, and AVIFConverts between all major web image formats — including next-gen AVIF where your browser supports it.
- 🔢 Quality slider for lossy formatsFine-tune JPEG and WebP quality from 10% to 100% to hit your target file size.
- 🎨 Background colour for JPEGChoose a background fill colour to handle transparent PNG regions when converting to JPEG.
- 👁️ Side-by-side previewOriginal and converted images shown simultaneously with file sizes for easy comparison.
- 🔒 Free, 100% browser-basedYour image never leaves your device — all conversion happens locally using the Canvas API.
Example Usage
Input: logo.png (450 KB) · Output format: WebP · Quality: 80%
logo.webp — 87 KB (81% smaller)
Frequently Asked Questions about the Free Image Format Converter
- What is the free Image Format Converter?
- Convert images between JPG, PNG, WebP, GIF, and other formats.
- Is the Image Format Converter free to use?
- Yes, the Image Format Converter is completely free. No account, subscription, or signup is required — ever.
- Does my data get uploaded anywhere?
- No. The Image Format Converter runs entirely in your browser. Your data is never sent to any server.
- Does it work offline?
- Yes. Once the page has loaded, the tool works without an internet connection.
- Which browsers are supported?
- All modern browsers — Chrome, Firefox, Safari, and Edge. No plugins or extensions required.
- Does this free image converter support transparent backgrounds?
- Yes — PNG and WebP support transparency natively. When converting to JPEG (which has no alpha channel), use the <strong>Background</strong> colour picker to set a fill colour for transparent areas.
- Is AVIF available in this free converter?
- AVIF is available in browsers that support encoding it (Chrome 94+, Edge 94+). If your browser does not support AVIF encoding, the button is shown as "AVIF (N/A)".
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