Screen recordings as a first-class clip
Your app demo is the product shot. Drop recordings straight onto the timeline, crop to portrait, and frame them inside the safe zones.
On the Mac App Store
The TikTok video editor for Mac that thinks in 9:16
Most desktop editors treat vertical video as an afterthought. ClipForge starts there: a native Mac timeline built for TikTok, Instagram Reels and YouTube Shorts, with the captions, hooks and music that make short-form actually perform.
Download on the Mac App StoreVertical-first
Edit like the platform watches
Everything in ClipForge assumes the video will be watched on a phone, full-screen, with the sound on — because that's how TikTok works.
- 9:16 project presets and a preview that looks like the feed
- Word-by-word animated captions, generated on-device, defaulted into the TikTok safe zone and linted for legibility
- On-device voiceover with captions synced to the exact word — no microphone needed
- Per-clip crop, keyframes and fit/fill to rescue horizontal screen recordings
- 1080×1920 export presets at 30 or 60 fps for TikTok, Reels and Shorts
Honest comparison
A CapCut alternative for Mac — for a specific job
CapCut is a great general-purpose editor. ClipForge is a native Mac editor aimed at one job: turning your app into short-form ads, fast — with everything on-device. Here's the honest breakdown.
| What you need | ClipForge | Typical desktop editors |
|---|---|---|
| Vertical 9:16 timeline by default | Yes — it's the default | Usually a project setting to hunt for |
| TikTok-style word-highlight captions | Built in, on-device | Plugin, template or cloud upload |
| Ready-made UGC hook clips | Searchable library (Premium) | Buy stock or film your own |
| Music you can legally use | Licensed library (Premium), or your own tracks free | Bring your own and hope |
| AI agent that edits for you (MCP) | Yes — Claude Code drives the timeline | No |
| Keyframes, speed ramps, transitions | Yes — with easing, pitch-preserved | Yes, but built for long-form |
| Price | Free editor; Premium from $4.99/month | Subscription or watermark |
| Long-form, multi-cam, film-suite tools | Not the job — ClipForge stays ad-shaped | Yes, if you need them |
Made for makers
Built for indie developers first
ClipForge exists because posting three TikToks a week is the most effective marketing an indie app can do — and the tooling made it a chore.
An app ad maker, not a film suite
Hook, demo, voiceover, captions, music, export — the whole ad-shaped workflow in minutes, with create_ad writing the first draft for you.
Volume without burnout
Short-form rewards posting often. With the UGC library and the AI workflow, variant #7 costs a prompt, not an evening.
Step by step
How to edit TikTok videos on a Mac
The same steps work for Instagram Reels and YouTube Shorts; only the export preset changes.
- Start a 9:16 project with the TikTok preset, so the preview shows the feed's safe zones.
- Bring in your clips: phone footage (AirDrop works), screen recordings and screenshots. Horizontal recordings can be cropped to portrait or framed in a phone.
- Cut the first seconds first. Put the strongest moment or line at the start; that is where viewers decide to stay.
- Trim, split and pace it: speed waits up to 4x with the pitch kept natural, add transitions and keyframed zooms, and snap cuts to the beat of the music.
- Generate captions on your Mac in a word-highlight style; they land inside the TikTok safe zone. More in auto captions on Mac.
- Add a voice and music: record your own, or use the on-device text-to-speech voiceover, with music ducked under it.
- Export at 1080×1920 and upload it with TikTok's web uploader, or AirDrop it to your phone and post from the app.
Comparing editors first? See the best free video editors for Mac. Making an ad rather than a post? See the video ad maker guide.
Your next TikTok ad, made on a Mac
ClipForge is on the Mac App Store, and the editor is free.