Turn it, flip it, or straighten a crooked horizon.
Quarter turns, free-angle straightening, and horizontal or vertical flips. If your photo carries the EXIF rotation flag that makes pictures appear sideways after upload, this tool spots it and offers to fix it properly.
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This is the most common reason people go looking for a rotate tool, and rotating the image is usually the wrong fix. Here is what is actually happening.
When you take a photo, the camera sensor records the pixels in one fixed direction no matter how you were holding the phone. Rather than rewriting all those pixels, the camera writes a small note in the file's metadata that says, in effect, "display this one turned 90 degrees to the right". That note is the EXIF orientation flag.
The trouble is that following the flag is optional. Photos apps and modern browsers respect it. Plenty of other software does not: older forum uploaders, some CMS thumbnail generators, certain email clients, and a fair amount of custom code that just reads raw pixels. So the same file looks upright in one place and sideways in another, and nothing about the image itself has changed.
The flag is a number from 1 to 8. Most photos are 1, meaning no transform needed. If yours is anything else, the tool above shows it.
| Flag | What it instructs | How it usually happens |
|---|---|---|
| 1 | No change | Phone held normally, or already baked in |
| 3 | Rotate 180° | Phone held upside down |
| 6 | Rotate 90° clockwise | Phone turned on its side, most common landscape shot |
| 8 | Rotate 90° counter-clockwise | Phone turned the other way |
| 2, 4, 5, 7 | Mirrored variants | Front-facing camera, or software that flipped it |
Rotating the picture by eye only works if the software you are using ignored the flag in the first place. If it respected the flag, you have now rotated an image that was already correct, and it will be wrong everywhere else.
The reliable fix is to apply the flag to the pixels and then clear it, so there is no instruction left for anything to disagree about. That is what the "Apply it and clear the flag" button does when the tool detects a flag other than 1. After that, every app shows the photo the same way.
If you want to see the rest of what your photo is carrying, including GPS coordinates, the EXIF viewer and remover reads the whole metadata block and can strip it without re-compressing your image.
The slider rotates by fractions of a degree, which is the range that actually matters for a tilted skyline or a photographed document. Two things to know:
Keep going without re-uploading — your image carries over to the next tool automatically.