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AI Primer
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Cappy launches video editing in iMessage and RCS

Cappy launched as a text-message video editor that plans, cuts, captions, voices, and revises clips inside iMessage or RCS threads. Creators can start from raw footage, photos, audio, or URLs without opening a conventional timeline.

4 min read
Cappy launches video editing in iMessage and RCS
Cappy launches video editing in iMessage and RCS

TL;DR

You can browse the official feature page, watch petergyang's corgi example, and step through LinusEkenstam's unboxing test. The weirdly useful part is the surface area: hasantoxr's prompt list includes restaurant specials and salon before-and-afters, while his follow-up post says Cappy can start from a URL or an audio file, not just a camera roll upload.

Text thread interface

The core product decision is brutally simple: the editor lives in your messages. hasantoxr's launch post called that the point, and LinusEkenstam's setup note described it as adding Cappy to your phone book and texting it like a person.

That removes the normal stack of timeline UI, export settings, and project setup. LinusEkenstam's direction example reduced the control layer to natural-language prompts, and his later post added that the service works regardless of green or blue bubbles.

Starting points

The most interesting part is how many ways Cappy can begin a job.

Instead of a single "upload clip, trim clip" flow, the early examples break into a few clear entry points:

petergyang's example clip adds two more pieces to the pitch: auto-generated captions and voiceovers.

Revision loop

Cappy is being sold as a conversational edit bay, not just an auto-generator.

The revision commands shown so far are short and concrete:

  • "Make it shorter"
  • "Add captions"
  • "Make it more dramatic"

Those came from hasantoxr's follow-up, while LinusEkenstam's initial edit post and his edit-request follow-up suggest the cadence is submit footage, wait a few minutes, get a first cut, then keep pushing changes in-thread.

That is a better fit for people who already think in marketing requests or client notes, not timeline operations. hasantoxr's audience post explicitly framed the target users as restaurant owners, salon owners, real estate agents, and solo creators.

Access and output

The launch threads also slipped in two practical details that matter more than the hype.

First, the final file can be saved directly from the message thread, according to LinusEkenstam's save-from-messages post. Second, LinusEkenstam's main thread said Cappy was free to try at launch, and both the shared Captions link and the official feature page link point to the same Captions landing page for access.

That gives Cappy a surprisingly complete loop inside the inbox itself: start with footage, photos, audio, or a URL, direct the edit in plain text, receive revisions, then save the result without switching into a conventional editor.

Further reading

Discussion across the web

Where this story is being discussed, in original context.

On X· 5 threads
TL;DR4 posts
Text thread interface2 posts
Starting points2 posts
Revision loop2 posts
Access and output1 post