Image Tools
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Right-size an image. Nothing more.

Change image dimensions without cropping, uploading or accidental upscaling.

  1. Add images
  2. Adjust
  3. Download

Drop images here

or choose files from this device

JPG, PNG, WebP, AVIF · up to 10 files

✓Processed locally. Nothing is uploaded.

01Private by design

Your pixels stay in this tab.

02A real result

Weight, dimensions and format are verified.

03No detour

No account, queue or upload.

HOW IT WORKS

From image to download in three steps

  1. 1
    Add

    Choose one or more images.

  2. 2
    Adjust

    Adjust only the settings for this tool.

  3. 3
    Download

    Get the validated result.

Guide / EN

How it works

The resizer reads the oriented pixel dimensions and calculates a proportional target without cropping. Lanczos3 runs in the Worker only when the requested size differs from the source; prevent-upscale is enabled so a 900-pixel image does not become a softer 1920-pixel file by accident.

After resizing, the image is encoded in its selected format and subjected to the same signature, MIME, dimension and metadata checks as every other output.

01

Formats and settings

  • The practical starting point is a 1920-pixel long edge with aspect ratio locked.
  • Editing width updates height from the original ratio.
  • Disable enlargement protection only when you knowingly accept interpolated pixels.
02

A concrete example

A 6000×4000 photo set to 1920 pixels wide becomes 1920×1280. A 1000×667 source stays at 1000×667 while prevent-upscale is on, avoiding extra bytes and false detail.

03

Know before you start

  • This version scales but does not crop, rotate manually or add borders.
  • Very large decoded dimensions can be rejected before allocation to protect device memory.
  • A smaller pixel count does not guarantee a smaller file if you also choose a much higher quality.

FAQ / 03

Frequently asked questions

Does resizing crop my image?

No. Width and height are fitted proportionally; every edge remains in the frame.

Why did a small image keep its dimensions?

Prevent-upscale is on by default, so the tool refuses to invent a larger raster.

Which size should I choose?

Use the real display or delivery need. 1920 pixels is a practical web starting point, while e-mail often works well around 1600.