Audio, Video & Voice · Free tool
Universal Image Converter
Convert images between JPG, PNG, WebP. Batch supported. Quality slider. Browser-only.
Conversion happens entirely in your browser via Canvas API — your images never leave your device. JPG output requires opaque background (we use white). PNG preserves alpha; WebP also preserves alpha at any quality level. GIF / BMP / TIFF input is decoded if your browser supports it (Chrome and Safari do; Firefox covers GIF + BMP).
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What it does
One-stop image format converter — JPG, PNG, WebP, GIF, BMP in, JPG/PNG/WebP out. Batch conversion, quality slider for JPG/WebP. Runs entirely in your browser via Canvas API.
Embed this tool on your siteShow snippetHide
Paste this snippet into any page. Loads on-demand (lazy), no tracking scripts, and sized to most dashboards. Replace the height to fit your layout.
<iframe src="https://freetoolarena.com/embed/universal-image-converter" width="100%" height="720" frameborder="0" loading="lazy" title="Universal Image Converter" style="border:1px solid #e2e8f0;border-radius:12px;max-width:720px;"></iframe>How to use it
- Pick one or more image files.
- Choose target format and quality.
- Convert; download each output.
Frequently asked questions
- Why is JPG output white where there was transparency?
- JPG has no alpha channel. We fill the canvas white before drawing the image, so anywhere transparent in the source becomes white. Use PNG or WebP if you need to preserve transparency.
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Learn more
Guides about this topic
- How-To & Life · GuideHow to compress imagesLossy vs lossless, quality sweet spots per format, when to switch to WebP, keeping EXIF out, and batch-compression workflows.
- How-To & Life · GuideHow to crop images for webCommon aspect ratios (16:9, 4:5, 1:1), focal-point cropping, art-direction vs pixel-density scaling, and how to avoid upscaling artifacts.
- How-To & Life · GuideHow to add image bordersSolid borders, polaroid frames, printing margins, CSS-box vs baked-in borders, and preserving aspect ratios when adding padding.
- How-To & Life · GuideHow to create GIFsBuilding GIFs from image sequences or video clips, frame rate and palette trade-offs, file-size tactics, and when WebM/MP4 beats GIF.
- How-To & Life · GuideHow to convert video to GIFTrimming clips first, 15-24 fps sweet spots, palette generation, size tactics, and when to suggest MP4/WebM instead of GIF for quality.
- How-To & Life · GuideHow to trim videosLossless vs re-encoded trim, keyframe constraints, handling audio track drift, trim markers, and client-side tools that don't upload your files.
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