1Upload the GIF animations that came out the wrong way round.
2Pick a quarter turn or a half turn, or type an arbitrary angle and choose a colour for the corners it will expose.
3Apply the rotation; the pixels and the orientation flag are reconciled so every viewer agrees on which way is up.
4Download the rotated GIF file.
Rotate GIF FAQ
How does Rotate GIF turn the file?
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Concretely, each frame is rotated by the same amount and the palette is preserved, so timing and loop behaviour survive; the canvas dimensions swap on a quarter turn, which is expected rather than a bug. Quarter turns and half turns are the common case and take the cheapest path available for the format.
Can I rotate by an arbitrary angle, not just 90 degrees?
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Yes, though the two are different operations underneath. A multiple of 90 degrees rearranges existing data; any other angle has to rebuild the grid and fill the corners, so it costs a resample and usually wants a background colour choosing.
Does the format decide whether rotation is lossless?
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It does. GIF is capped at a 256-colour palette with single-bit (on/off) transparency and no partial alpha, which is why photographs band and dither in it. That property is exactly what determines whether a quarter turn is free or costs a re-encode.
Anything specific to GIF I should know?
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Yes — the palette is shared across the whole animation, so any change to one frame is negotiated against the colours every other frame needs. It is the kind of thing that explains why a file looks right in one application and wrong in another.
Why does my file look correct on my phone but sideways elsewhere?
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Because the orientation is stored as an EXIF flag rather than in the pixels, and not every viewer honours it. Rotating here normalises the two — the pixels and the flag end up agreeing, so the file looks the same everywhere.
Can I rotate a whole batch in one go?
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Yes. The same rotation is applied across every file you upload, which is the practical fix for a folder of scans or camera output that all came in the wrong way round.
What can I upload to Rotate GIF?
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Animated and static GIFs, plus animated WebP. Still images work too and are treated as a single-frame animation, which is occasionally what you want when building one.
Is there a file size limit on Rotate GIF?
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Yes: free accounts process images up to 25 MB each, which is a real constraint for animation — a few seconds of full-frame GIF reaches that quickly. If an animation is over the limit, cutting the frame rate is almost always a better first move than cutting the dimensions — the eye forgives 12 fps far more readily than it forgives a smaller picture.
Will Rotate GIF lower the quality of my GIF animations?
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The binding constraint on a GIF is not the operation, it is the 256-colour palette. Anything that changes pixel values forces a re-quantisation against a palette shared by every frame, which is where banding and dithering come from. Frame timing and loop count are preserved.
Can I run Rotate GIF on several GIF animations at once?
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Yes, and it is worth doing — per-file overhead on an animation is dominated by decoding every frame, so a batch amortises far better than the equivalent set of single runs.
Is animation preserved, or do I get a still?
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Animation is preserved. Every frame is decoded, processed and re-assembled with the original delays and loop count intact. You only get a still if you explicitly ask for a single frame.
Does Rotate GIF cost anything?
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No. Rotate GIF is free, needs no account, and adds no watermark to the output. Uploaded animations are deleted from the workers a short time after the job completes.
