How to Make a GIF — A Complete Beginner Walkthrough

Before importing anything, decide where the GIF is going. A GIF for a README, a Slack reaction, an email newsletter and a Twitter post have different size budgets and different sensible dimensions, and every later decision follows from that one.

The two numbers to fix first are the width and the length in seconds. Width sets the pixel count, which drives file size more than any encoder setting; length sets the frame count, which drives it almost as hard. A four-second clip at 480 px wide is a comfortable target for most destinations. Ten seconds at 800 px is not, and no amount of tuning will make it one.

There are two routes. From video: import the clip, trim to the moment you want, then choose a sampling rate — the editor seeks to evenly spaced timestamps and captures each one. From images: drop the files in and each becomes a frame you can hold for as long as you like.

Trim before anything else. Frames are only extracted for the range you keep, so cutting a six-second moment out of a ten-minute recording is six seconds of work rather than ten minutes of it. This is also the single biggest thing you can do for file size, and it costs no quality at all.

GIF has no frame rate field. Each frame carries its own delay in hundredths of a second, and the player waits that long before advancing. A tool that asks for "FPS" is writing the same delay into every frame.

That rounding is why 30 fps is not really available: one thirtieth of a second is 3.33 hundredths, which becomes 3 (about 33 fps) or 4 (25 fps). Choosing a rate that divides cleanly gives you playback that matches the preview.

A GIF frame can hold at most 256 colours, drawn from a palette that either covers the whole file or is rebuilt per frame. Fewer colours means a smaller file and, past a point, visible banding.

The useful habit is to step down from 256 and stop at the first setting where you can see the difference. Flat material — screen recordings, illustration, anything with large areas of one colour — often survives 32 colours untouched. Photographic footage usually wants 128 and dithering to smooth what is left.

Most tools make you export to find out how big the result is, which turns tuning into guesswork with a download between each attempt. An estimate built by genuinely encoding a few sample frames and extrapolating across the timeline removes that loop entirely.

With the number in front of you the order of operations becomes obvious: shrink the canvas, cut the frame count, then reduce colours, checking after each. Usually the first two get you where you need to be and the third is not necessary.

GIF is a 1987 format with a 256-colour ceiling and no motion compensation between frames. A five-second video clip that is 3 MB as a GIF is often under 300 KB as MP4 or WebM, at better quality.

If the destination accepts video — and Slack, Discord, most documentation tools and every social platform now do — exporting MP4 instead is a ten-fold improvement you cannot reach by tuning. Keep GIF for the places that genuinely need it: email clients, old wikis, and anywhere a file has to play inline and loop with no player at all.