SnapToolsImage Resizer
Runs in your browserResize images by width, height or preset — privately, in your browser. Aspect ratio is preserved by default, and batches download as a single ZIP.
About this tool
Cameras and phones produce images far larger than any screen needs: a 4000-pixel-wide photo displayed in a 600-pixel column wastes bandwidth and slows the page without looking any better. This resizer scales images down to the dimensions you actually need, preserving aspect ratio so nothing is stretched. Resizing is done losslessly against the decoded pixels, so you can resize first and choose a format afterwards without compounding compression artefacts.
How to use
- Pick a preset, or type an exact width and/or height in pixels.
- Leave one field blank to scale proportionally on the other axis.
- Choose whether to preserve the aspect ratio (recommended) or stretch to exact dimensions.
- Drop in your images and click Resize.
- Download individually or as a ZIP.
When to use this tool
- Shrinking camera photos to a sensible size for a website.
- Producing consistent thumbnails for a product grid.
- Meeting a maximum dimension requirement on an upload form.
- Preparing images for an email where wide images overflow the reading pane.
Tips
- Setting only a width is usually what you want — the height follows automatically and nothing is distorted.
- Enlarging a small image cannot add detail; scaling up will look soft.
- Resize before compressing: a smaller image needs far less compression to hit the same file size.
FAQ
- Does resizing crop my image?
- No. In the default 'preserve aspect ratio' mode the whole image is scaled to fit within the dimensions you give, so nothing is cut off. Choose 'exact' only if you deliberately want to stretch.
- Are my images uploaded?
- No. Resizing happens in your browser using the Canvas API and your images never leave your device.
- What format do I get back?
- Resizing preserves quality by outputting PNG. If you want a smaller file or a specific format, follow up with the Image Converter or Image Compressor.
Common jobs this solves
- Get your images ready for a websiteDownscale, convert to WebP and compress photos so your pages load fast. Runs in your browser; images are never uploaded.
- Remove location data from your photosStrip GPS coordinates, camera details and timestamps from photos in your browser. The photo never leaves your device.
- Get an image under a size limitCompress a photo to a specific file size for an upload form or portal. Binary-searches encoder quality to hit your target, in your browser.
- Make a favicon from your logoTurn a logo into favicon.ico, apple-touch-icon and every PNG size a site and PWA needs. Generated in your browser.