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Change GIF speed without re-encoding

Set a new frame delay in an existing animated GIF locally. Keep its image data, dimensions and loop settings, then download the edited file.

Local processing · up to 20 MiB · 10,000 frames · 20–10,000 ms in steps of 10. Your file is not uploaded.

A uniform delay replaces existing pauses. Shorter delays mean faster playback. This does not compress the GIF or add a stop button in another app.

Choose a GIF or try the sample. Nothing plays automatically.

Change timing while keeping the drawing

This tool changes the delay stored before each image frame. Compressed image data, colour tables, transparency, disposal settings and existing loop instructions are retained. It does not crop, resize, interpolate or redraw your GIF. A frame missing a timing block receives one, which adds eight bytes and may update the header to GIF89a.

Choose a delay using the frame count

For a 24-frame GIF, 50 ms per frame stores a 1.2-second cycle; 100 ms stores 2.4 seconds; 200 ms stores 4.8 seconds. These are stored timings, not measured playback speeds. Browsers and messaging apps may apply minimum delays or convert the file. Check the downloaded result in the app where it will be used.

When not to use a uniform delay

A demonstration with a long pause on its final instruction needs unequal frame delays. This tool replaces those pauses with one delay for all frames. Keep your original if the rhythm matters. A one-frame file cannot be animated by changing timing. Plain-text rendering blocks are not supported.

Local processing and limits

Your chosen file is read in this tab; no conversion service receives it. Trying the sample downloads one of our own GIFs. The tool does not preview or decompress arbitrary uploaded images, certify file safety or remove embedded metadata. Clear removes local data and download links from the tab; files already downloaded remain on your device.

See the measured speed comparison · Inspect file metadata · Make a new text GIF