Image Rotator

Fix Wrongly Oriented Photos and Fine-Tune Any Angle

Photos taken on a phone or camera can end up rotated 90, 180, or 270 degrees from how they should display. This happens because cameras embed orientation data in the image’s EXIF metadata, and not every application reads that metadata and applies it automatically. The result is a photo that looks correct on your phone but sideways or upside down everywhere else. Rotating the image bakes the correct orientation directly into the pixel data, so it displays correctly regardless of whether the viewing application respects EXIF.

Beyond orientation fixes, this tool also supports arbitrary angle rotation for creative and technical uses. Set any angle from 0 to 360 degrees and the image rotates accordingly.

EXIF Orientation: Why Photos End Up Sideways

When you hold your phone in portrait orientation and take a photo, the camera sensor physically captures the image in landscape (because the sensor is horizontal). The camera adds an EXIF orientation tag to the file metadata saying "display this rotated 90 degrees." Software that reads this tag — your phone’s photo app, most modern browsers, Photoshop — rotates the display automatically so the photo looks upright.

Software that does not read the EXIF tag shows the raw pixel data, which is sideways. This is common in older image editors, some file upload tools, certain CMS platforms, and email clients. The fix is to rotate the image so the pixels themselves are in the correct orientation and strip or reset the EXIF rotation tag, which this tool does when you export the result.

90, 180, and 270 Degree Rotations

The most common rotation needs are the standard increments. A 90-degree clockwise rotation turns a landscape image to portrait with the original bottom on the right. A 90-degree counter-clockwise (270 degrees clockwise) turns it to portrait with the original bottom on the left. A 180-degree rotation turns the image upside down.

These are the rotations needed for orientation correction. If your photo is sideways, one 90-degree rotation corrects it. If it is upside down, a 180-degree rotation corrects it. If it is sideways in the other direction, rotate 90 degrees in the other direction.

Arbitrary Angle Rotation

Beyond the standard increments, you may occasionally need to rotate an image by a non-standard angle — correcting a photo taken at a slight tilt, adjusting a scanned document that was placed crookedly on the scanner, or creating a rotated graphic element for a design layout.

Rotating to a non-multiple-of-90 angle changes the output image dimensions. A square image rotated 45 degrees fits inside a larger square bounding box with triangular transparent corners (if the format supports transparency) or white/filled corners (if not). The original content is preserved at the specified angle; the canvas around it expands to accommodate the rotated rectangle.

Canvas Size After Rotation

At 90 and 270 degrees, a portrait image becomes landscape and vice versa — the width and height values swap. At 180 degrees, the dimensions stay the same. At arbitrary angles between these increments, the bounding box that contains the rotated image is larger than the original in both dimensions. A 1200×800 px image rotated 30 degrees fits in a bounding box of approximately 1427×1046 px.

This canvas expansion is automatic and necessary to avoid clipping the corners of the rotated image. If you want the output at specific dimensions after rotation, crop it after rotating.

Rotation and Image Quality

Rotating by exactly 90, 180, or 270 degrees is a lossless transformation for lossless formats like PNG and TIFF — the pixels are simply rearranged in the grid without any resampling. For JPEG, even a 90-degree rotation technically involves a re-encode if you resave as JPEG, which introduces the standard JPEG quality loss. Some tools perform lossless JPEG rotation using a technique that operates on the compressed data blocks directly (jpegtran’s approach), but browser-based canvas operations re-encode the output.

For arbitrary angles, interpolation is always required because pixels in the rotated output may fall between pixel positions in the original. The quality impact is minor for small angles and small images but can become visible for large rotations of high-resolution photographs.

Your Image Is Processed in Your Browser

Rotation runs in your browser using the HTML5 Canvas API. Nothing is uploaded to any server. Close the tab and the image data is gone.