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Image Resizer – Resize Images to Any Size

Change the dimensions of one photo or a whole batch: exact pixels, a percentage, or a ready-made size for social media. Everything happens on your device.

How to resize an image

  1. Add your images by dragging them onto the box or tapping it to choose from your device.
  2. Choose how to resize: By size for exact pixels (or pick a preset like Instagram post or YouTube thumbnail), or By percentage to scale everything by the same amount.
  3. Keep proportions or crop to fit. Switch Keep proportions on to fit inside the size, or off to fill it exactly.
  4. Pick a format and quality (optional). Keep the original format or save as JPG, PNG or WebP.
  5. Press Resize and download your images individually or as a ZIP.

Features

  • Exact pixel sizes up to 16,384 pixels per side.
  • Resize by percentage, from 5% to 400%.
  • Presets for Instagram (square, portrait, story), YouTube thumbnails, Facebook covers, X and LinkedIn headers, WhatsApp profile photos and 2 × 2 inch passport photos.
  • No stretching. Fit inside or centre-crop to fill.
  • Batch resizing with a single ZIP download.
  • High-quality downscaling that keeps edges smooth when shrinking large photos.
  • Before and after dimensions and file size for every image.

Why use Fileora's image resizer

Every platform wants a different size: square for Instagram posts, 16:9 for YouTube, a wide strip for LinkedIn, and a strict square for government forms. Fileora gives you those sizes in one tap and crops cleanly instead of squashing your photo.

Because resizing happens in your browser, your pictures never leave your device. There's no upload wait for large camera photos, no sign-up, no watermark and no limit on how many images you resize.

If a form also has a file size limit, resize first and then use the image compressor to get under the KB limit. To put several resized photos into one document, use JPG to PDF. And to style the text for your new profile picture's bio, try the Instagram font generator.

Pixels, inches and DPI

Screens care only about pixels; print cares about inches and DPI (dots per inch). To work out the pixels needed for print, multiply the size in inches by the DPI: a 2 × 2 inch photo at 300 DPI needs 600 × 600 pixels, and a 4 × 6 inch print at 300 DPI needs 1200 × 1800. For websites, images wider than about 2000 pixels rarely add visible quality but do slow pages down, so resizing large camera photos before uploading makes your site faster.

Frequently asked questions

How do I resize an image to specific dimensions?

Add your image, stay on By size, and type the width and height you need in pixels. With Keep proportions switched on, the image fits inside that size without being cropped or stretched. Leave one side empty to set just the width or height. Switch it off to get exactly that size, cropped from the centre.

Will resizing stretch or distort my photo?

No. The tool never stretches images. With Keep proportions on, the shape is preserved. With it off, or when you choose a preset like Instagram square, the image is scaled to cover the new size and the edges are trimmed evenly, like a photo frame.

Can I resize many images at once?

Yes. Add as many images as you like. They're all resized with the same settings, and you can download them one by one or all together in a ZIP file.

What size should a passport or visa photo be?

Many online forms ask for a square photo such as 600 × 600 pixels (2 × 2 inches at 300 dpi), which is included as a preset. Requirements differ between countries and forms, so always check the exact pixel size and file size limit. You can resize here and then compress the result to meet a KB limit.

Does making an image bigger improve its quality?

No. Enlarging an image adds pixels, but it can't add detail that wasn't captured, so a small photo made much larger will look soft. Resizing down (making images smaller) keeps them sharp, and the tool uses a multi-step method to avoid jagged edges.

Are my photos uploaded?

No. Resizing is done by your browser's image engine. Your photos never leave your phone or computer, so it's safe for personal pictures and ID documents.

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