Paid Tool Alternatives

Best Free Alternatives to Grammarly (2026)

Grammarly is a popular online ライティング tool, but its pricing tiers, usage limits, and privacy concerns drive many users to seek alternatives. Here are 4 completely free alternatives on ToolPure — all running locally in your browser, no signup required.

G
Grammarly
AI writing assistant & grammar checker
Website →
Category
ライティング
Pricing
Free basic check; Premium ~$12/month
Free Alternatives
4 tools

⚡ Why Users Switch

🔧 Alternatives

#1

CN-EN 間隔

100% Free

Add spaces between Chinese and English characters.

Why It's a Great Alternative：Auto spacing between CJK and Latin characters
#2

テキスト Auto フォーマッター

100% Free

Auto format and beautify text content with consistent spacing. Free online text formatter for cleaning messy content.

Why It's a Great Alternative：Smart paragraph formatting, remove extra whitespace
#3

テキスト 統計

100% Free

読了時間、話す時間、テキストの複雑さを分析。

Why It's a Great Alternative：Character count, word count, reading time
#4

バッチ ケース コンバーター

100% Free

Batch convert text between multiple case formats at once. Free online batch case converter for camelCase and snake_case.

Why It's a Great Alternative：Batch case conversion (Title, lower, UPPER etc.)

❓ Frequently Asked Questions

Does ToolPure have AI grammar checking? +

ToolPure focuses on deterministic browser-side text processing — formatting, stats, typography rules. For AI grammar checking and writing suggestions, Grammarly is still industry-leading. But ToolPure excels at CJK typography, format cleanup, and batch processing.

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