Convert the file where it already is

Right-click a file, pick a format, and finish on the machine. Upload only if the person asked for a phone or a browser.

Category
Productivity
Who it is for
Someone who converts a picture, a clip, or a doc a few times a week.
Possible model
Open source
Difficulty
Medium
Inspired by
convt · convt
Original launch
Watch the launch · Oct 7, 2026

Difficulty is an editorial estimate of technical and operational complexity, not a score.

Startup idea analysis by Startup Ideas. Last reviewed Oct 7, 2026. How we read a launch.

The startup idea

Leo's post introduces convt as a right-click converter for images, video, audio, PDFs, and docs. He says it runs fully locally, macOS and Windows now, Linux soon, and that it is open source. The reply links convt.app, a Product Hunt page, and github.com/opencoredev/convt. The site says the conversion happens on your computer and nothing is uploaded, then also sells convt Pro, which includes cloud conversions from a phone or a browser. The prices on that page are $29 once for the desktop, with 12 months of updates, Pro at $12 a month or $8 a month yearly, an API that charges per conversion, and a 7-day trial. The GitHub readme says the code is AGPL v3, and that the signed desktop builds, convt Cloud, and the API are paid. The post and the site are both his. They do not say the same thing about money.

The opportunity is the right-click, and a sentence that says whether the file left the machine. People already know how to search for a converter. They do not know where that site sends the PDF. A local app that hides a cloud step is the same product. Show the path. If the file stays, say so. If Pro uploads it, say that before the click.

Do not tell people the app is free because the repo is open. The signed build has a price. Do not claim Linux is shipping. The post says soon. Do not invent a format count.

The problem

The converter in search wants the file on a server the person does not know.

Who would pay for this?

Primary
Someone who converts a picture, a clip, or a doc a few times a week.
Secondary
A person who will not upload a contract to a converter they just searched for.
Early adopter
You, on the three formats you actually use.

How could it make money?

Possible models. Nothing here is a claim about what convt charges.

  • The post says open source. The site charges $29 once for the signed desktop build, and a subscription for Pro. Quote both. Do not collapse them into free.
  • The API is pay per conversion, on their page. That is a second product.
  • A 7-day trial is what they published. Do not invent a free tier past that.

What would the MVP look like?

  1. One right-click.
  2. A short list of formats.
  3. The new file next to the old one.
  4. A line that says the file did not leave the machine.
  5. A separate, obvious step if a cloud conversion is offered.

How to validate the idea

  • Convert ten files you already have. Count how many you still open in the old web converter.
  • If the local result is wrong, the privacy line does not save it.
  • Ask whether anyone pays $29 to avoid an upload. If they will not, the post's contrast is not their problem.

How to differentiate

  • Local by default. Cloud only when they ask.
  • The source is AGPL. The build is paid. Say which one you are handing them.
  • A few formats done well, not a wall of extensions.
  • No account for the right-click.

Why this could be interesting now

The post is a local answer to the upload-your-file converter. The site already splits that into a paid desktop build and a paid cloud. A smaller version is the right-click, one format pair, and an honest line about where the file went.

Original product launch

This launch is inspiration and evidence that someone shipped, not a partnership. The idea above is our reading of the broader opportunity. convt did not write it.

Product
convt
Company
convt
Film
convt, convert a file without uploading it
Posted
Oct 7, 2026 · 0:28
Open original post

Product that inspired this idea

Right-click a file and pick a format. The post says it runs locally and is open source. The site sells the signed desktop build, and a paid cloud path for a phone or a browser.

Posted by @leodev. Watch the original launch. No separate product site is listed unless the post itself is the source.

  • files
  • desktop

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