Platform Image Size Cheat Sheets 2026

Every platform has a favorite size, format, and file limit, and they rarely ask nicely. FastEdit keeps 79 of those targets ready, so you can stop hunting docs and export the version that actually uploads.
Mega cheat sheet All platform image sizes on one page 84 targets categorized by platform, with the dimensions, formats, file-size limits, and upload notes you need before exporting →

Discord

7 presets with dimensions, formats, file-size limits, and export notes.

Pick a platform size

Telegram

4 presets with dimensions, formats, file-size limits, and export notes.

Pick a platform size

WhatsApp

4 presets with dimensions, formats, file-size limits, and export notes.

Pick a platform size

Slack

2 presets with dimensions, formats, file-size limits, and export notes.

Pick a platform size

Signal

2 presets with dimensions, formats, file-size limits, and export notes.

Pick a platform size

iMessage

3 presets with dimensions, formats, file-size limits, and export notes.

Pick a platform size

Twitch

7 presets with dimensions, formats, file-size limits, and export notes.

Pick a platform size

X (Twitter)

4 presets with dimensions, formats, file-size limits, and export notes.

Pick a platform size

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