What is the main difference between LexiLint and Grammarly?

LexiLint is an on-demand proofreader for rendered live, staging, and localhost pages. Grammarly is primarily a writing assistant that offers suggestions while users compose text across supported apps and websites.

Can I use LexiLint and Grammarly together?

Yes. A user can use a writing assistant while drafting and use LexiLint to review the rendered page before or after publishing.

Where can LexiLint check page text?

LexiLint is designed for live, staging, and localhost pages that Chrome allows the extension to access. Browser-protected pages and pages that block extension access may not be available.

LexiLint vs Grammarly: How Text Is Processed

Q: How does Grammarly process text?

Grammarly states that it processes user content to provide its product features. Its official privacy policy explains the categories of data, purposes, safeguards, and user controls. Review that policy for current details.

Q: How does LexiLint process text?

LexiLint spell checking runs locally without sending page text over the network. Optional AI grammar sends the selected text directly to the provider configured by the user. Ignite App does not receive or store that page text.

LexiLint spell checking runs on the device. Optional AI grammar sends selected page text directly to the provider configured by the user. Grammarly processes user content to provide its cloud-based product features; its official privacy policy explains the details and controls.

Try LexiLint — Free

Local spell check | Direct-to-provider AI grammar | Sources reviewed September 2026

🤖 New: LexiLint for AI Assistants

Use LexiLint's spell and grammar checking directly in Claude Desktop, ChatGPT, Cursor, and other AI assistants via the Model Context Protocol (MCP).

Learn More About MCP View on npm

How Each Product Processes Text

LexiLint

Spell check: Runs on the device without uploading page text.

AI grammar: Sends selected text directly to the provider configured with the user's API key. Provider policies apply.

Grammarly

Grammarly's cloud service processes user content to provide writing suggestions and related features. Grammarly documents its data categories, purposes, safeguards, and controls in its official privacy policy.

This comparison was reviewed against that policy in September 2026. Product practices can change, so the official policy remains the current source.

Text Processing and Workflow Comparison

Question	LexiLint	Grammarly
How is spell-check text processed?	On the device	Through Grammarly's product services; see its privacy policy
How is AI grammar text processed?	Directly by the provider selected with the user's API key	Through Grammarly's product services
Primary workflow	On-demand review of rendered pages	Writing assistance across supported apps and websites
Provider choice via BYOK	Gemini; Premium adds OpenAI and Anthropic	Not a BYOK product

Different tools for different stages.

Use a writing assistant while drafting and LexiLint when reviewing the rendered page. Read Grammarly's official privacy policy and the LexiLint privacy policy for current details.

Frequently Asked Questions

How does Grammarly process text?

Grammarly processes user content to provide its product features. Review Grammarly's official privacy policy for current collection, retention, and control details.

How does LexiLint process text?

Spell checking runs on the device. Optional grammar sends selected page text directly to the provider configured with the user's API key. Ignite App does not receive or store that page text.

What is the main workflow difference?

LexiLint reviews rendered live, staging, and localhost pages on demand. Grammarly provides writing assistance across supported apps and websites.

Can I use both?

Yes. Use a writing assistant while drafting and LexiLint to review the rendered result.

Review the Rendered Page with LexiLint

Spell checking stays on the device. Optional AI grammar uses the provider key you configure.

Add to Chrome — Free