Download MerciApp for Web –

MerciApp is a French spelling and grammar checker. Of French origin, the service has existed for a few years now in the form of an extension that you can add to your web browser.

Now, MerciApp has more than 60,000 users and more than 4,000 companies among its customers.

How MerciApp works

Downloading MerciApp is easy, just add the extension to your internet browser then create an account and take the plan of your choice (Free or Pro). As it takes the form of a web browser extension, the platform can boast of being compatible with all online services, such as LinkedIn, Slack, Facebook Messenger, WhatsApp, Trello, Gmail and many others. others.

In this way, you can use MerciApp to easily correct your texts on emails, instant messaging or even social networks, whether in a personal or professional context. The tool also corrects you in real time so that you can save time. In addition, it also works with applications integrated with Microsoft Office tools available for Windows, macOS and online versions, such as Microsoft Word or Outlook.

To work, MerciApp relies on technology designed by experts in linguistics and artificial intelligence. On the other hand, the databases are updated regularly in order to offer a permanently updated correction. In fact, you can therefore take advantage of tailor-made language preferences, a personal dictionary for a suitable proofreader, advanced typography options or even personalized correction and progress statistics.

With MerciApp, each mistake is underlined so that you can click on the word to correct it, but also so that you are able to understand your mistakes. To do this, you benefit from a reminder of the rules that prevent you from repeating the error, an advanced spelling and grammatical explanation or an example put into context.

MerciApp is not limited to spelling and grammar, you can also use the detection of repetitions or incorrect style figures, the suggestion of synonyms as well as the validation of dates according to the current calendar. More generally, the tool also highlights advice so that you can improve your editorial style.


You can download MerciApp to add the extension to your internet browser, it is compatible with Google Chrome, Mozilla Firefox and Microsoft Edge. There is no desktop app for Windows or macOS, but you can also enjoy the online service from any computer.


It is possible to download MerciApp and enjoy the browser extension for free. The basic version includes many features, but you can also opt for a paid version to take advantage of additional options. Here is the detail of the different formulas with the prices.

ThanksApp Free

  • 0 euros
  • Extension for browser (Google Chrome, Mozilla Firefox, Microsoft Edge)
  • Spell analysis
  • Basic grammatical analysis
  • Spacing Consistency
  • Personal dictionary
  • Statistics

ThanksApp Pro

  • 8 euros per user per month
  • All the features of the free version
  • Fix on GDocs and GSlides
  • Fix on Microsoft Office
  • Expert grammatical analysis
  • Context analysis
  • Styling improvements
  • Typographic analysis
  • Error Explanations
  • Language preferences
  • Typographic preferences
  • Shared collaborative space

ThanksApp Business

  • Price on request (from 50 licenses)
  • All the features of the Pro version
  • Dedicated account manager
  • API access

Alternatives to MerciApp

MerciApp is a great option for anyone looking for an easy-to-use spelling and grammar checker. The extension works easily, where it can also boast of being compatible with many platforms. From then on, you only have to launch the correction so that the tool takes care of detecting all your faults, which gives you the possibility of saving time (and credibility, in a professional context).

If you don’t want to download MerciApp, you can choose your Antidote alternative. This software is very popular, it has the merit of being available on Windows and macOS, but also Android and iOS depending on the offer you take. In this regard, the tool only comes with paid plans, you can choose a monthly and annual subscription or even a definitive purchase to take advantage of the platform as you wish.

Facing MerciApp, we also find Scribens. The service is available on Windows and Android, knowing that it also comes in a browser extension compatible with Google Chrome, Mozilla Firefox, Safari and Microsoft Edge. The tool has a free or paid version depending on your needs.

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Download MerciApp for Web –

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