Step 1 / source
Add the source media
Source intake
Drop one media file here
Choose the GIF whose download size or playback workload should be reduced.
GIF1 file / 50 MB
Checking publication status before file selection...
TEMPORARY MEDIA WORKSPACE / GIF OPTIMIZER
GIF Optimizer
Rebuild an animated GIF with bounded width, frame rate, and palette size to reduce delivery weight while preserving its loop.
Request-scoped temporary processingAdd one supported file up to 50 MB. Long or unusually large-frame media may be rejected before processing.No account required
Local API readinessMedia service ready
One bounded job runs per API worker by default.The processor required by this tool is available, and this worker can accept a temporary job.
1 file / 50 MB
Temporary server workspace
The selected bytes are sent only to the Nirmion media API for this request. Processing uses a private temporary workspace rather than permanent catalogue storage.
Request-scoped cleanup
Server-side source and result files are removed when the response stream closes. Re-downloads use the result Blob retained only in this browser tab.
Original stays unchanged
Nirmion writes a separately named result containing nirmion_tools and never overwrites the selected source file.
Know the product contract
What goes in, what changes, what comes back
Every media page documents the accepted source, the selected FFmpeg transformation, the output container, and the limits that can affect the job.
Prepare the source
Check source duration, transparency, small text, gradients, and motion before choosing aggressive settings.
Apply one operation
FFmpeg samples the chosen frame rate, scales without enlargement, generates a bounded palette, dithers frames, and restores looping.
Receive a separate file
View the full loop in the destination browser and inspect banding, flicker, text, transparency, and file size.
Plain-language method
How GIF optimization changes the animation
GIF palette reduction is lossy. Dithering can trade color banding for visible texture, and transparency behavior may change at edges.
- 01Choose valid source media
Check source duration, transparency, small text, gradients, and motion before choosing aggressive settings.
- 02Review the operation settings
Start at 640 px, 15 fps, and 128 colors, then compare the entire output loop with the source before reducing any setting further.
- 03Inspect and download the result
View the full loop in the destination browser and inspect banding, flicker, text, transparency, and file size.
Useful when
Practical jobs this tool handles
- Reduce a documentation animation.
- Prepare a lighter support demo.
- Standardize GIF dimensions for a content system.
Before processing
Check the source and output choices first
- Compare the full loop.
- Inspect gradients and transparency.
- Confirm destination dimensions.
- Consider MP4 for photographic motion.
Container and codec
Understand the output format
The output remains GIF and silent. For many photographic animations, MP4 is substantially more efficient.
Know the boundary
Smaller GIFs can show visible palette loss
Optimization cannot preserve every original color and frame while also guaranteeing a smaller file. Inspect gradients, transparency, text, and motion before replacing the source.
Quick answers
Questions before you process media
These answers describe the actual upload, FFmpeg processing, download, and temporary-retention contract.
Will the result always be smaller?
No. Simple or already optimized sources may not shrink.
Is audio preserved?
GIF has no audio stream.
Does it enlarge small GIFs?
No. Width is a ceiling.