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Image Straighten Tool - Online Fix Crooked Horizons

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Image Straighten Tool

Fix Crooked Horizons Online – Free, Fast & Private

Straighten tilted photos with pixel‑perfect precision. No upload, no ads, just straight horizons.

Drag & drop your image here

or click to browse – supports JPG, PNG, WebP, GIF

Why Use Our Image Straighten Tool?

  • 100% Private – images never leave your device.
  • No Cropping – canvas expands to fit the entire rotated image.
  • High‑Resolution Output – original pixel density is kept.
  • Transparent & Custom Backgrounds – fill empty areas with any color.
  • 0.1° Precision – perfect for architectural and landscape shots.
  • Works Offline – no internet required after the page loads.
  • Free & Unlimited – no watermarks, no registration.

How to Straighten a Photo

  1. Upload your image using drag & drop or the file picker.
  2. Move the angle slider until the horizon looks perfectly straight.
  3. (Optional) Choose a background color for the areas revealed by rotation.
  4. Click Download – your straightened photo is saved instantly.

Tip: use the exact value input if you know the required correction down to 0.1°.

Frequently Asked Questions

No. Your privacy is paramount. All processing happens directly in your browser. The image is never transmitted anywhere.

You can open JPG, PNG, WebP, GIF, BMP, and TIFF (where supported by your browser). When downloading, you'll get a PNG (if transparent background is selected) or a high‑quality JPEG.

To avoid cropping, the canvas automatically enlarges to fit the entire rotated image. The empty corners are filled with your selected background color (or transparency). You can choose white, black, or any custom fill.

Yes! The tool is fully responsive and works on any modern mobile browser. Simply tap to upload and use the slider to fix your horizon.

Absolutely none. The tool is free to use without any restrictions or hidden watermarks.

The slider works in 0.1° increments, and you can type an exact number for surgical precision – ideal for architecture and product shots.
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