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GIF
GIF
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Tool guide
Some forum engines, legacy CMS uploaders and classified-ad boards still accept GIF and nothing else, so a PNG has to be repackaged. That is all this tool does: one PNG in, one static single-frame GIF out at the same pixel dimensions. There is no animation here — that needs multiple frames and a timeline. Keep the palette in mind: GIF tops out at 256 colours, so gradients come back visibly banded. See also: pull the first frame of a GIF out as PNG, build an animated GIF from a video clip, cut the file weight of the finished image.
No. The input takes one file and produces one frame. Assembling an animation means setting frame order, delay and loop count, and there is no such interface here — claiming otherwise would be dishonest. Use a dedicated animation editor for that; this page only changes the container.
GIF cannot store partial alpha. It has a single palette index marked transparent, and that is the whole feature set. A softly feathered logo edge will come back either as a hard cut or with a fringe of the backdrop colour. If the soft transparency matters, stay in PNG — that is the format built for it.
The format allows 256 colours per frame while a typical photo contains tens of thousands. Quantising the palette merges nearby shades, so skies and skin tones break into visible bands. JPG suits photos, PNG suits screenshots and flat art. Reach for GIF only when whatever you are uploading to demands it.
Usually, and the direction is hard to predict. A screenshot with large flat areas often comes out smaller as a GIF than as a PNG, while a photograph gets noticeably larger because LZW compresses noise poorly. The pixel dimensions do not change: width and height match the source exactly.
It does not. The image is redrawn on a canvas, and what comes off the canvas is raw pixels — no PNG text chunks, no colour profile, none of the editor bookkeeping that was in the original. That is often welcome, since author tags disappear along with the old container.
Neither. The conversion uses the browser's own imaging code, the page asks for no sign-in and counts no files. Your image is processed on your device and never leaves the tab, so there is no size quota imposed by the site — only whatever memory the browser can give the page.
Before: avatar.png — 200×200, 24-bit colour
After: avatar.gif — 200×200, 256-colour palette, one frame
Before: logo.png — soft, partially transparent edges
After: logo.gif — edges turn hard: GIF has no partial alpha
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