Slop Effects · Beta
Motion graphics editor
Motion design in the browser. Nothing uploaded.
Nothing to install: just open it in the browser on your phone, tablet or computer. It keeps working without internet after your first visit. Want an icon on your home screen? On iPhone or iPad, tap Share, then Add to Home Screen. On Android, open the browser menu and tap Add to Home screen. On a computer, click the install icon in the address bar.
Slop Effects has these main features: Layers, keyframes and easing; Graph editor and seeded random motion. It opens JSON, Any image, Video.
Beta: still being tested, so some parts may change.
What you can do with Slop Effects
How Slop Effects compares
Slop Effects next to Cavalry, Blender, Jitter: facts from each tool's own pages, checked 2026-10-24. We make Slop Effects.
| Tool | Price | Free limits | Runs where | Account needed | Watermark on free exports | Transparent export |
|---|---|---|---|---|---|---|
| Slop Effects ours | Free | None; compositions of 0.1 to 600 seconds | Browser | No | No | Yes: PNG sequence |
| Cavalry | Free for individuals; Enterprise through Canva | None stated for individuals | macOS, Windows | Yes, a Canva account | Not stated | Yes: PNG sequence, ProRes 4444 |
| Blender | Free, open source (GPL) | None | Windows, macOS, Linux | No | Not stated | Yes: PNG, FFV1, VP9 WebM, QuickTime Animation |
| Jitter | Free; paid Pro, Max and Ultra plans | 3 workspace files, 720p at 30 fps, 20 MB uploads | Browser | Not stated | Yes | Max plan and up |
| Feature | Slop Effects ours | Cavalry | Blender | Jitter |
|---|---|---|---|---|
| Keyframes | Yes | Yes | Yes | Partly |
| Graph editor | Yes | Yes | Yes | Yes |
| 3D | No | No | Yes | Partly |
| Effects | Yes | Yes | Yes | Yes |
| Audio | No | Yes | Yes | Yes |
| MP4 export | Yes | Yes | Yes | Yes |
| Transparent export | Yes | Yes | Yes | Partly |
| Lottie export | No | Yes | Partly | Yes |
| AI assistant that uses the app | Local model or your own key | Not stated | Not stated | Not stated |
| Free export size | Up to 7680×4320 | Not stated | Up to 65536×65536 | 720p, 30 fps |
| No watermark on free exports | Yes | Not stated | Not stated | No |
| Runs in a browser | Yes | No | No | Yes |
| Desktop app | Works in the browser | Yes | Yes | Not stated |
| No account needed | Yes | No | Yes | No |
| Collaboration | No | Partly | Partly | Yes |
| Open source | Yes | No | Yes | No |
The full comparison, with sources: The best free motion graphics software
Feature matrix
| Feature | Status | File types |
|---|---|---|
| Layers, keyframes and easing | Beta | JSON, Any image, Video |
| Graph editor and seeded random motion | Beta | JSON, Any image, Video |
| Blur, glow, shadow, colour, grain, vignette, glitch | Beta | JSON, Any image, Video |
| WebM, MP4 and PNG sequence | Beta | JSON, Any image, Video |
File types
Slop Effects opens JSON, Any image, Video.
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