Resize Image

Image Resize is built for exact output sizing when an image has to fit a known slot. It lets you resize by direct pixel dimensions or by percentage, keep the aspect ratio locked for proportional scaling, or unlock width and height for free-form stretching. For thumbnails, product media, blog cards, and UI handoff assets, this tool turns one source file into a dimension-accurate PNG without forcing upload-based workflows.

Width

px

Height

px
Original: —
Output: —

Drag & drop or click to upload

Resize image workflows designed for real channel constraints

Most users searching "image resize" already know the destination size and need the file to match it cleanly. A CMS card may require a fixed width and height, a product listing may need a lighter derivative, or a design handoff may call for exact dimensions before upload. This page is optimized for those cases by exposing width and height directly instead of hiding output behind crop ratios or preset layouts.

The value of this approach is speed with clarity. You can switch between Pixel mode and Percentage mode, review the original and output dimensions before export, and keep the lock enabled whenever proportional scaling matters. If a layout requires intentional stretching, unlock the aspect ratio and set width and height independently. Since all processing runs in-browser, assets stay local and iteration remains fast even under production deadlines.

How to use

  1. Upload and review dimensions

    Upload the image and review the original dimensions shown in the summary area before deciding how much it needs to change.

  2. Choose pixel or percentage mode

    Use Pixel mode when the destination slot has exact width and height requirements, or Percentage mode when you want to scale relative to the original size.

  3. Set the aspect ratio behavior

    Keep the lock enabled for proportional resizing, or unlock it when width and height must change independently for a specific layout.

  4. Export when the size matches

    Check the output dimensions, make any final adjustments, and export the resized PNG once the result matches the target requirement.

Features

  • Pixel mode.Enter exact width and height values when the image has to fit a fixed destination slot.
  • Percentage mode.Scale proportionally from the original image size when a relative adjustment is more useful than a hard dimension target.
  • Aspect-ratio lock.Switch between proportional resizing and free-form stretching depending on what the layout requires.
  • Dimension summary.Original and output sizes are visible before export, which reduces accidental mismatch.
  • Local PNG export.Everything happens in-browser, keeping the workflow private and fast for content and production tasks.

Use cases

Social, editorial, and email assets

Resize visuals to exact post card, banner, thumbnail, and newsletter module dimensions so they fit the destination without guesswork.

Ecommerce and landing page production

Downscale oversized product images and prepare dimension-accurate media for listing cards, promo slots, and landing page sections.

UI handoff and cross-team delivery

Prepare screenshots, mockups, and illustrative assets for specific interface slots before passing them to design, content, or media teams.

Mobile browser workflows

Upload, resize, reset, and export directly on a phone or tablet when quick changes are needed away from desktop tools.

FAQ

Can I resize to exact pixel dimensions?

Yes. Switch to Pixel mode and enter the exact width and height you need. The lock button keeps the aspect ratio intact when proportional scaling is required.

What percentage range is supported?

Percentage mode supports 1% to 200%, so the image can be downscaled or moderately upscaled from its original size.

Can I stretch the image non-proportionally?

Yes. Unlock the aspect ratio and width and height can be set independently.

Will resizing reduce image quality?

Downscaling generally preserves clarity well. Upscaling beyond 100% can introduce softness because new pixels must be interpolated. Output is PNG.

Are files uploaded during image resize processing?

No. Image processing stays inside your browser session and does not require remote upload.