BenchRank

Best Grammar & Editing tools

Assistants that correct, clarify and rewrite existing prose without changing its meaning.

5 tools ranked · updated 2026-08

  1. Ranked 1

    48.1 — BenchRank score out of 100

    Grammarly

    Grammarly · AI writing assistant for grammar, tone and rewriting across apps

    Best for: Individuals and teams who want grammar, tone and rewriting help inside the apps they already use

  2. Ranked 2

    36.7 — BenchRank score out of 100

    Harper

    Harper · Open-source grammar and spell checker that runs on your device

    Best for: Developers and technical writers who want grammar checking that stays on their own machine.

  3. Ranked 3

    33.3 — BenchRank score out of 100

    WPS Writer

    WPS Writer · Word-compatible word processor with in-document AI writing tools

    Best for: Individuals who need a free, Word-compatible word processor with AI drafting and translation.

  4. Ranked 4

    26.9 — BenchRank score out of 100

    LanguageTool

    LanguageTool · Grammar, punctuation and style checking in over 30 languages

    Best for: Writers and small teams checking grammar, punctuation and style across 30+ languages

  5. Ranked 5

    16.6 — BenchRank score out of 100

    TextMaker

    TextMaker · Word-compatible word processor for Windows, macOS, Linux, iOS and Android

    Best for: Individuals and teams needing a Word-compatible word processor across desktop and mobile

How this ranking works

Every score is measured, not opinion: we read each product’s own site, documentation, pricing and changelog, and combine what is there into weighted dimensions covering integration, documentation, transparency and reliability. Scores refresh as products change — see how the rankings work.