Tools

ITKImage ToolkitFast, Precise, Private

Upload, crop, adjust, QR overlay and smart compress — pixel‑accurate with everything staying inside your browser.

Local in‑browser processing

All processing happens locally in your browser — no uploads required.

Pixel‑accurate

Crop/resize computed from natural pixels; aspect ratios and outputs are exact.

Local privacy

Everything runs in the browser to avoid uploading sensitive assets.

One‑click export

Preview quality then save as JPEG/WebP for sharing and ads.

1. What it does

Optimized for marketing images, social covers and e‑commerce creatives:

UploadDrag & drop or click to upload PNG/JPG/WebP; reads pixel size and color space.
Crop & ResizeCrop to 1:1 / 4:3 / 16:9, then fine‑tune the output size.
AdjustTweak brightness, contrast and saturation with live preview.
QRGenerate a QR from text and overlay anywhere, with adjustable size.
CompressExport with smart JPEG compression; preview quality before saving.

2. Use cases

Social cover

Crop 1:1, 4:3, 16:9 to fit platform sizes.

Poster/Banner

Unify theme color and contrast for clear readability.

Product image

Transparent background, standard ratio and light compression for listings.

3. Before vs After

Before

Original assets are large, off‑ratio and inconsistent in contrast, hurting clarity and load speed.

After

Cropped to recommended ratios with light compression and tuned contrast — clearer, smaller and ready to distribute.

3. How to use

  1. 1

    Upload an image; it auto‑fits the preview stage.

  2. 2

    Pick an aspect ratio (e.g., 1:1) and place the crop region.

  3. 3

    Adjust brightness/contrast/saturation as needed with instant feedback.

  4. 4

    Enter text to generate a QR and drag it to the right spot.

  5. 5

    Choose export quality, preview the result, then save.

5. Try it

Open the toolkit to finish social covers, posters or product images in minutes.

Try now