Hi Product Hunt 👋

I built DimTrip after one too many trips where the plan looked fine in a document and fell apart on day one.

The problem was never a shortage of ideas about where to go. It was everything after the first draft: moving a stop, adding the hotel I finally booked, logging what we spent, keeping three friends in sync. Every AI planner I tried handed me a nice itinerary and then left that part to me.

So DimTrip's assistant works inside the trip itself rather than in a chat window:

Describe the trip in one sentence and it builds the days, with real places and start times, appearing on screen stop by stop.
"Move lunch to 1pm", "add a café before Kiyomizu", "log ¥3,200 for dinner", "add rain gear to the packing list" — it changes the actual trip.
You stay in control: the screen jumps to where it made a change and highlights every change, deletions wait for your OK, and a deleted stop or expense comes back with one tap.
Send it a screenshot or a PDF of a booking and it files the flight or the hotel for you.
Trips are shared in real time, and you can invite people as viewers rather than editors. Not everyone in a group wants edit rights, and not everyone should have them.
The whole thing — interface, assistant and PDF export — works in Traditional Chinese. That is the half of my own circle most trip planners ignore.

Free to start, and no ads.

Two honest caveats. There is no native app yet; it is an installable web app that opens offline with your last-synced trips. And the assistant deliberately stays on travel and your own trips — ask it anything else and it will politely decline.

If you want to see the shape of it without signing up, there are a few full itineraries at dimtrip.com/guides.

I would genuinely like to know what you ask the assistant to do first, and where it falls short.