Best AI Writing Extensions for Students

How we separated the picks

No single writing extension leads every job. We separated proofreading, paraphrasing, all-in-one drafting, and multilingual checking so the recommendations stay specific.

Best proofreading

Grammarly

Mature inline feedback and the largest public adoption signal.

4.5 / 535,000,000 usersFree tier; paid Pro and enterprise plans

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Best paraphrasing

QuillBot

The clearest dedicated modes and controls for rewrites.

4.7 / 55,000,000 usersFree tier; paid Premium plan

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Best all-in-one assistant

Write It: Humanizer and Auto Typer

Off-tab background typing, Research Mode, and an AI agent in one free extension.

4.8 / 52,000 usersFree background auto typer, Smart Typing, Research Mode, Rubric Workspace, and Document Overview; optional premium tiers

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Best multilingual pick

LanguageTool

Grammar and style checking across many languages with a usable free tier.

4.7 / 52,000,000 usersFree tier; paid Premium plans

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What to check before installing

1. Choose for the main task, not the longest feature list.
2. Keep your source meaning and citations intact when rewriting.
3. Review free-plan limits before building a workflow around a tool.

Sources

Rankings use current store records, feature coverage, and first-party developer documentation.

1. Chrome Web Store listing

   Store metrics, feature claims, and data categories.

2. Chrome Web Store listing

   Store facts and disclosed data handling.

3. Chrome Web Store listing

   Store metrics, editor support, version history, and disclosed data categories.

4. Chrome Web Store listing

   Rating, users, version, update date, and data categories.