Private batch image resizer

Resize images locally, in exact pixels.

Set output dimensions once, preview the fit, and resize a batch without uploading client or personal images.

Use the free tool

Runs in this browser

image resizer

Choose contain, cover, or stretch intentionally. The result reports every output dimension and never changes the original files.

Ready

Private by design. Selected images are decoded and rendered with the browser Canvas API; no file request leaves this page.

The jobs this tool completes

Built around the failure points.

01

Exact output dimensions

Produce the pixel box required by a marketplace, CMS, presentation, or social post.

02

Visible fit behavior

Know whether the image will gain padding, lose edges, or distort before exporting.

03

Repeatable batches

Apply one decision to a related set and receive separately named files.

Workflow

From input to an auditable output.

  1. Choose the source images and enter the required width and height.
  2. Select contain, cover, or stretch and inspect the preview explanation.
  3. Export the converted batch with dimensions included in each filename.

Learn the details

Use the result with fewer surprises.

Common questions

What this tool does—and does not do.

Exact output dimensions

Produce the pixel box required by a marketplace, CMS, presentation, or social post.

Visible fit behavior

Know whether the image will gain padding, lose edges, or distort before exporting.

Repeatable batches

Apply one decision to a related set and receive separately named files.

Does this guarantee the result will be accepted elsewhere?

No. The tool completes and explains its calculation or transformation, but another platform can apply different limits, rules, encoders, or policies. Verify consequential output in the destination.

Ready

Resize images

Return to the tool with your inputs still in this tab.

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