Image Format Guide
Complete guide to image formats and when to use JPG, PNG, WebP, and more.
Image Format Converter Online — JPG ↔ PNG ↔ WebP ↔ ICO Free
Browser-Side · No Upload · Bulk 20 Files · ICO Generator · Base64 · HEIC Support
💡
Convert between JPG, PNG, WebP, BMP, ICO and Base64 entirely in your browser. No server upload - your files stay on your device. Bulk convert 20 images at once, generate multi-size ICO favicons, convert iPhone HEIC photos, and preserve PNG transparency when converting to WebP.
JPGBest for photos. Lossy. No transparency.
PNGLossless. Full transparency (alpha). Large files.
WebPBest for web. 25-35% smaller than JPG. Transparency.
BMPUncompressed. Windows legacy. Large file size.
ICOBrowser favicon. Multi-size: 16/32/48/64px in one.
Base64Embed image in HTML/CSS directly. No separate file.
Drop images here or click to browse
JPG · PNG · WebP · GIF · BMP · SVG · HEIC — up to 20 files
How to Convert Image Format
1. Drop your images into the zone — JPG, PNG, WebP, GIF, BMP, SVG, HEIC all accepted.
2. Select your output format (WebP recommended for web — 25–35% smaller than JPG).
3. Adjust quality, DPI, ICO sizes or strip EXIF metadata as needed.
4. Click "Convert All" — results appear instantly in your browser.
5. Preview, then download individual files or all as a ZIP.
JPG vs PNG vs WebP — Which Format to Choose?
Use JPG for photos where file size matters and no transparency is needed. Use PNG for logos, screenshots or any image needing transparency. Use WebP for web pages — it supports both lossy and lossless compression with transparency, at 25–35% smaller sizes than JPG. Use ICO for browser favicons.
Frequently Asked Questions
Which image formats can I convert?
JPG, PNG, WebP, BMP, ICO, GIF, SVG, HEIC and Base64. Convert between any supported pair directly in your browser — no server upload, no login.
How do I convert JPG to WebP?
Upload your JPG, select WebP as output, set quality to 85%, and click Convert. WebP is typically 25–35% smaller than JPG at the same visual quality.
Can I create an ICO favicon from my PNG logo?
Yes — select ICO as output and tick the sizes you need (16, 32, 48, 64px). The tool generates a true multi-resolution ICO binary file that browsers read correctly.
Does PNG transparency survive conversion to WebP?
Yes — PNG to WebP preserves full alpha transparency. Converting to JPG or BMP fills transparent areas with white because those formats have no alpha channel.
Can I convert HEIC photos from iPhone?
Yes — drop any HEIC file, select JPG or PNG output, and click Convert. Conversion uses heic2any entirely in your browser — no app or iTunes required.
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