Tax Helper is an open-source project aiming at helping French or US citizens file their French and US taxes. This tool is targeted at people holding company equity (RSU, ISO, ESPP).

DISCLAIMER: the information shared in this app is based on the personal experience and knowledge of its contributors and most probably contains inaccurate information. Please don't take all of it for granted, verify calculations and / or confirm with a professional tax advisor if you have any doubts or questions. Pull Requests and Issues and more than welcome if you notice anything wrong about the information provided.

This is a Next.js project bootstrapped with create-next-app.

First, install the dependencies

npm i

You'll then need to have an alphavantage API key to run the app. You can get one for free here.

Copy the .env.local.sample file to .env.local and replace the ALPHA_VANTAGE_API_KEY value with your own API key.

cp .env.local.sample .env.local

Then, run the development server:

npm run dev
# or
yarn dev
# or
pnpm dev
# or
bun dev

Open http://localhost:3000 with your browser to see the result.

You can start editing the app by modifying any component located in app/. The page auto-updates as you edit the files.