MotorPen
MotorPen offers a free web animation studio with frame controls, onion skins, cloning, copy and paste, and export options.
About MotorPen
MotorPen is a free web tool for making frame-by-frame animations. It includes controls to add, clone, copy, paste, delete and clear frames, onion skins for back and front frames, preview with fps adjustment and large view, and export of frames.
Blank frames are not allowed, and completed animations can be submitted to a gallery for sharing.
Key features
- Add frames for animation sequences
- Adjust onion skins for preceding and following frames
- Clone, copy and paste frames
- Delete or clear frames
- Preview animation with adjustable fps and large view
- Export frames
Best for: People who want to make frame-based animations directly in a browser.
Good for
- Free to use
- Runs in a web browser
- Includes onion skins for back and front frames
Watch out for
- Blank frames are not allowed
MotorPen at a glance
- Website
- motorpen.com
- Category
- Design & Creative › Video Editing & Animation
- Type
- Website
- Pricing
- Free
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
Guides for Video Editing & Animation
MotorPen alternatives
Tools and sites you could use instead, ranked by how closely they match.
FliiipBook draws frame-by-frame animations in a browser and exports GIFs, with onion skinning and timeline controls.
FreeCut edits video in a browser with multi-track editing, keyframe animations, real-time preview, and export options.
Open source
24 alternatives
Create animations in BestSnip Animation Studio using its browser-based controls for drawing and opacity.
Run CorridorKey through a desktop interface with a live viewer, job queue and export options for EXR, ProRes and transparent PNG files.
Warlock Studio combines image and video upscaling, face restoration, frame interpolation, denoising, and batch processing for Windows.
Open source
9 alternatives
Synfig Studio is free, open source software for 2D animation, with downloads and project information on its site.
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