Rotate Images Online Rotate images by any angle with preset options for 90, 180, and 270 degrees.

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Image Rotate

Rotate images by any angle with preset options for 90, 180, and 270 degrees.

Upload Your Image

Drop or select an image file to prepare it for rotation.

Choose Rotation Angle

Select a preset angle or use the slider for any custom degree.

Rotate and Download

Click Rotate Image, preview the result, and download your rotated image.

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What Is Image Rotate?

An image rotation tool that lets you rotate any image by a precise angle. Whether you need a quick 90-degree turn to fix a sideways photo, a 180-degree flip, or a custom angle for creative effects, this tool handles it smoothly. The tool recalculates canvas dimensions automatically for non-90-degree rotations, ensuring no part of your image is cut off. You can use the angle slider for visual control, click preset buttons for common angles, or enter an exact degree value. All processing is done entirely in your browser using the Canvas API.

Why Use Image Rotate?

Quick preset buttons for common rotation angles
Custom angle slider and input for any rotation degree
Canvas auto-resizes to fit the full rotated image
Instant preview with fast browser-side processing

Common Use Cases

Fix Photo Orientation

Correct sideways or upside-down photos taken with a rotated camera or phone.

Straighten Scanned Documents

Rotate scanned pages that were placed at an angle on the scanner.

Creative Design

Rotate images to specific angles for artistic compositions, collages, or design layouts.

Panorama Preparation

Rotate individual photos to align them for manual panorama stitching.

Technical Guide

Image rotation uses the Canvas 2D context translate and rotate methods. For non-right-angle rotations, the output canvas dimensions must be recalculated using trigonometry: newWidth = |width * cos(t)| + |height * sin(t)|, newHeight = |width * sin(t)| + |height * cos(t)|. The canvas origin is translated to its center, rotation is applied, and the image is drawn centered at the new origin. After drawing, the transform is reset. This approach ensures the entire image fits within the output canvas without any clipping.

Tips & Best Practices

1
Use 90 or 270 to fix sideways photos from phone cameras
2
The 180 rotation is equivalent to flipping both horizontally and vertically
3
For slight angle corrections (horizon straightening), try small values like 1-5 degrees
4
Non-90 degree rotations will add transparent corners to the output image

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Frequently Asked Questions

Q Does rotation change the image quality?

Rotations of exactly 90, 180, or 270 degrees are lossless. Other angles involve pixel interpolation which may slightly affect quality.

Q Why does the image canvas get bigger at odd angles?

The canvas expands to fit the corners of the rotated image, adding transparent areas in the gaps.

Q Can I rotate counter-clockwise?

Yes, set the angle to 270 for a 90-degree counter-clockwise rotation.

Q What happens to transparent areas?

Transparent areas from non-right-angle rotations are preserved in the PNG output.

Q Does it support animated GIFs?

Only the first frame of animated GIFs is processed.

About This Tool

Image Rotate is a free online tool by FreeToolkit.ai. All processing happens directly in your browser — your data never leaves your device. No registration or installation required.