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Resize, optimize, and convert JPG, PNG, and WebP images to custom dimensions or social media presets with 100% client-side privacy.
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🔒 100% Client-Side Processing: Your images never leave your browser or get uploaded to any server.
Yes, absolutely. All image decoding, scaling, canvas rendering, and format conversions happen locally inside your web browser RAM using HTML5 Canvas API. Your photos are never uploaded to any cloud server or recorded anywhere.
SnapFreeTools Image Resizer is a free, high-performance in-browser image optimization tool. Easily resize JPG, PNG, WebP, GIF, and BMP images to custom dimensions in pixels or percentages. Lock aspect ratio, apply social media presets, adjust quality compression, and convert file formats seamlessly.
Change width and height to exact pixel values or scale down by percentages (25%, 50%, 75%, etc.).
Keep original proportion locked to prevent accidental image stretching or distortion.
Includes presets for Instagram Square/Portrait, Facebook Cover, YouTube Thumbnails, and Full HD resolutions.
Convert between JPG, PNG, and WebP formats. Apply solid background fills when converting transparent PNGs to JPG.
Set a target max file size (e.g. 500 KB) and let our engine calculate compression quality automatically.
Upload and process multiple images at once right inside your browser without page reloads.
Drag and drop your image, click browse, or paste directly from your clipboard.
Enter target width and height in pixels, pick a social media preset, or select a scaling percentage.
Optionally set output format (JPG, PNG, WebP) and compression quality percentage.
Review the live before & after comparison and click Download Resized Image.
Everything you need to know about image resizing, aspect ratios, and privacy.