What’s new in Diffcut.
Every change merged into Diffcut, newest first. Diffcut is in early development; these are in the source today and will be in the first Mac build.
- StudioA demo video from a browser recording#23
Record a browser tab in Capture, then press Make demo: zooms on your clicks, a smooth cursor, trimmed dead air, captions, a voiceover and music, as seven changes to review.
- StudioShorts from a long video#22
Pick 3, 5 or 8 moments and get 9:16 edits framed on the speaker, with word-pop captions, a hook card and optional music.
- StudioAsk Claude for edits, and review them change by change#21
⌘J runs your own Claude Code with Diffcut’s tools. Its changes wait in the Review tab, where you play, accept or skip each one.
- EngineHow Claude edits: proposals#19
Every change Claude suggests is a labelled, explained set of edits that you accept or skip.
- StudioAI music and effects from a prompt#12
ACE-Step 1.5 on your Mac’s GPU: describe a bed or a hit, from 1 to 240 seconds.
- StudioAI sound examples with their prompts#14
Sixteen examples to start from, each with the prompt and seed that made it, and waveform covers.
- StudioA Sounds tab with synthesised effects#11
Twelve effects, from riser to boom, made on the spot with no model.
- StudioLiving voice orbs#18
Each voice has an orb that moves with its sound.
- StudioClearer pause chips in voice scripts#16
- StudioSmoother device switching in Capture, and a clearer Captures panel#17
- StudioVoice samples and waveform covers for the examples#15
- StudioThe inspector fits at every window width#25
- StudioA continuous filmstrip for portrait video#10
- StudioOlder projects open and edit correctly#9
- EngineA more reliable build of the voice helper#13
- WebsiteFaster pages, a new share card, a container deploy#24
Lighthouse 96 or more on performance and 100 on accessibility; the site now deploys from main.
- WebsiteSite update, structured data and a sitemap#20
- WebsiteA plainer sitemap that every validator accepts#26
- StudioEditing tools#8
Ripple, roll, slip and slide trims, the clip inspector, keyframes with easing, eight transitions and stills.
- EngineThe editor’s core#7
Frame-exact WebGPU playback and verified export, on-device transcription, 28 voices with a watermark, and Capture with a built-in browser.
- WebsiteA chapter bar, and Claude’s cursor performing demo edits
- WebsiteMotion, a voice demo and a new navbar#4
Make the cut.
Diffcut is free, open source and early: the first Mac build isn’t out yet. Leave your email and we’ll write once, when it’s ready.