Image Editing
How to Rotate an Image Online
A photo came out sideways. An image downloaded from the web is upside down. Here is every way to rotate it — in your browser, on Windows, Mac, iPhone, and Android.
Rotate in built-in apps
When to use an online tool instead
The built-in methods work well for individual photos on your own device. An online rotation tool is faster when you are working on a shared computer, when you need to flip as well as rotate, when you need 180° rotation (some built-in tools only do 90°), or when you want to rotate an image from a URL or email attachment without saving it first.
Why photos come out sideways
Most phone cameras record images in landscape orientation at the sensor level. When you hold your phone upright and take a photo, the camera saves an EXIF orientation tag in the image metadata that tells apps to display the photo upright. This works fine in most modern apps and browsers.
The problem occurs when the destination app or platform strips or ignores the EXIF metadata. Some image upload forms, older web apps, and certain social platforms do not read the EXIF orientation tag — they display the photo at its raw pixel orientation, which may be rotated 90° or 180° from what you expected. The fix is to physically rotate the image and resave it, which bakes the correct orientation into the pixels rather than relying on a metadata tag that might be ignored.
Scanning documents is another common source of rotated images. A multi-page scan where pages were fed in different directions will produce some pages upside-down. Rotating each page individually before merging or sending saves the recipient from having to rotate on their end.
Frequently Asked Questions
How do I rotate an image online for free?
Use a browser-based image rotation tool — upload your image, select the rotation (90° left, 90° right, or 180°), and download the result. No software installation or account is required. The rotation happens on your device, so your image is never uploaded to a server.
How do I rotate a photo on Windows?
In Windows File Explorer, right-click the image and select 'Rotate right' or 'Rotate left' from the context menu — this is the fastest built-in method. Alternatively, open the image in the Photos app and use the rotate button (the circular arrow icon) in the edit toolbar.
How do I rotate a photo on Mac?
In Preview (the built-in Mac image viewer), go to Tools → Rotate Left or Rotate Right. You can also press Cmd+L (left) or Cmd+R (right). In the Photos app, open the image, click Edit, and use the rotate button in the top-left of the edit interface.
How do I rotate a photo on iPhone?
Open the photo in the Photos app, tap Edit, then tap the crop/rotate icon (the overlapping squares with an arrow). Tap the rotate icon (the square with a curved arrow) in the top-left to rotate 90° anticlockwise. Tap Done to save.
Why does my photo upload sideways?
This happens because the photo was taken with the phone in a different orientation than the display expects. Phones use EXIF metadata to record the orientation — but some apps and platforms ignore this metadata and display the image at its actual pixel orientation. Rotating the image and resaving corrects this.
Does rotating an image reduce quality?
Rotating a PNG, BMP, or lossless format has no quality impact. Rotating a JPG, however, technically requires decompressing, rotating, and recompressing, which can introduce slight quality loss. At high quality settings this is imperceptible. Lossless JPEG rotation tools exist but are specialised. For most practical purposes, the quality difference is not visible.