Improve your writing with spelling, grammar, and other writing suggestions.
Spell check, grammar checking and correction, fluency and stylistic edits for your writing.
Autocomplete Everywhere and snippets/canned messages as well.

Grammar Checker & Writing Assistant by Sapling | Firefox Add-on
Grammar Checker and Writing Assistant by Sapling is a Firefox add-on, powered by AI, offering enhanced spelling and grammar corrections, writing suggestions, autocomplete predictions and usage of canned messages across CRM platforms. Additionally, you can compare results with tools like Grammarly, Ginger etc., and benefit from secure data processing. Enhanced features for professional tone maintenance and knowledge snippets are also available.
Add-on stats
Manifest V2
Weekly download count: 34
Firefox on Android: No
Permissions:
- alarms
- identity
- identity.email
- storage
- activeTab
- tabs
- <all_urls>
- clipboardWrite
- clipboardRead
- webNavigation
Size: 2.43M
Email: su*****@sapling.ai
URLs: Website ,Privacy policy
Full description: See detailed description
Ranking
Other platforms
Not available on Android
Not available on Edge
User reviews
Pros
- Easy to install and use
- Helps improve writing efficiently
- Powerful and practical extension
Cons
- Causes issues with online payments and website loading
- Requires unclear permissions
- Frequent and annoying false positives for correctly spelled words
- High cost of the paid version
Most mentioned
- Blockages and errors with certain websites
- High price of the paid version
- Basic features triggering an upgrade prompt
User reviews
by 远离中共邪教快退出党团队, 2025-02-17
Easily one of the best grammar checkers for everything from long-form narratives to a letter to your dear old mom.
by Firefox user 18646668, 2024-10-20
Best app to check grammar.
by Firefox user 14704901, 2023-11-21
Add-on safety
Risk impact
Grammar Checker and Writing Assistant by Sapling requires a lot of sensitive permissions. Exercise caution before installing.
Risk impact analysis details
- Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
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Risk likelihood
We don't have sufficient data to confidently determine the risk likelihood of Grammar Checker and Writing Assistant by Sapling. Use it at your own risk.
Risk likelihood analysis details
- High This extension has low user count. Unpopular extensions may not be stable or safe.
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