MerciApp - AI Writing Assistant icon

MerciApp - AI Writing Assistant

Established publisherManifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

Write better, faster, wherever you work.

Users
70K
0 in 30 days
Rating
4.4 / 5
−0.16 in 30 days
Ratings
131
−1 in 30 days
Store rank
#2,803
#2,461 among extensions
Version
3.117.0
updated 13 Oct 2026

Users

monthly, 3 years
20K60K100KAug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 70,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
3082134Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 131 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About MerciApp - AI Writing Assistant

MerciApp helps you correct, rephrase, and structure your writing instantly, right inside your browser. From emails and CRMs to messaging apps and collaborative tools, it improves your texts and speeds up repetitive replies without disrupting your workflow. --- Correct • Professional real-time autocorrect More than just a spelling and grammar checker, MerciApp enhances the clarity, conciseness, and tone of your messages. Every suggestion comes with a clear explanation, so you understand the correction and keep improving. What MerciApp detects: • Spelling mistakes and homophones (“I should of —> I should have ”) • Complex agreement rules, verb conjugations, and infinitive vs. past participle confusion • Overly long sentences, missing punctuation, excessive use of abbreviations • Contextual errors (capitalization, dates, consistency) Corrections appear as you type. No copy and paste. No interruptions. --- Transform • Rewriting and built-in AI assistants Reword, structure, or translate your text without leaving the tool you are using. Create custom assistants for meeting summaries, standard support replies, sales pitches, and more. Share them with your team to keep communication consistent and aligned. In practice: • Select a passage and request a clearer, more direct, more formal rewrite, or a structured summary • Set up business assistants, for example “turn my notes into a customer report,” and reuse them in just two clicks • Instantly translate an email into English, Spanish, German, and more, directly from the interface --- Expand • Smart snippets: reply in two seconds without copying and pasting Expand allows you to create reusable snippets: standard replies, signatures, greetings, product explanations, etc. Type a shortcut (e.g. `/acknowledgment`) → MerciApp instantly inserts “We have received your message and will get back to you within 24 hours.” Dynamic snippets: customize your templates with variables (customer first name, date, order reference, etc.) to save time without losing personalization. Share your snippets with your team to keep support, sales, and administrative responses consistent and on-brand. --- Works wherever you write MerciApp works seamlessly with your everyday tools. Correction and AI assistants are available with a single click, wherever you need them. Automatic language detection ensures MerciApp only corrects the language you’re writing in: English, Spanish, or others. The interface stays discreet, suggestions appear in context, and your workflow remains uninterrupted. --- Designed for teams • Corporate dictionary: add your business terms, acronyms, product names • Shared rules: harmonize tone, formulas, and writing standards • Snippets and team assistants: centralize updates to your tools. • Centralized management: access rights, usage tracking, configurable and shareable assistants Ideal for sales teams, customer support, account management, internal communications, and much more. --- Reliability & Compliance MerciApp is built on 30 years of linguistic research and a dictionary of over 500,000 entries. Trusted by thousands of B2B users, it is recognized for its accuracy and full GDPR compliance. A French alternative to Grammarly, crafted to meet professional standards. --- Install and get started 1. Add the extension to Chrome 2. Create your account (30-day free trial) 3. Start writing: MerciApp corrects and improves in real time By installing the extension, you agree to the Terms of Use(https://www.merci-app.com/en/gtu) and acknowledge that you have read the Cookie Policy (https://www.merci-app.com/en/cookies-policy).

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%0−0.15
30 days0+0.0%−1−0.16
6 months−10K−12.5%−2−0.16
1 year−10K−12.5%0−0.17

Chrome Web Store search rankings

Where MerciApp - AI Writing Assistant appears when people search the store, with the 30 day change
Search phrasePosition30 days
ai writing assistant#22+7
writing tools#260
ai writing#33−3
writing tool#35−3
ai writing tool#36+1
ai spelling checker#43−3
writing#54−13
spelling & grammar checker#69−2
spelling & grammar checker#70−3
ia#710
ai grammar checker#74−7
grammar check#80−6

Version history

256 versions recorded
3.117.013 Oct 2026
3.115.06 Oct 2026
3.114.030 Sep 2026
3.113.023 Sep 2026
3.112.016 Sep 2026
3.111.09 Sep 2026
3.110.14 Sep 2026
3.110.02 Sep 2026

Details

Category
Communication
First seen
23 Sep 2020
Size
3.7 MB
Languages
en, fr
Pricing
Free
Privacy policy
merci-app.com
Support
merci-app.com
Extension ID
gccahjgcckaemgpliioopngfgdaceffo

Permissions and risk

Moderate riskimpact 3, likelihood 2
Permissions
activeTabalarmsclipboardReadclipboardWritecookiesstoragetabssidePaneloffscreenscripting
Site access
http://*/*https://*/*
Can read and change data on every website you visit.

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