Proofly  logo

Proofly

Private AI proofreading that runs 100% on your device

Proofly  preview

What is Proofly

Proofly is a free, open-source Chrome extension that delivers industry-class proofreading by leveraging Chrome's built-in on-device AI, ensuring all text processing occurs locally without any data transmission to the cloud. It provides real-time grammar, spelling, and punctuation checks with a lightweight, non-invasive interface, prioritizing user privacy and offline functionality.

Key Features

Runs 100% locally on your device for total privacy
No data transmission to the cloud or external servers
Works offline after initial AI model download
Free, open-source with no accounts or tracking
Lightweight and non-invasive UI that respects page focus

Use Cases

  • Writers and content creators needing privacy for sensitive drafts or confidential projects
  • Students and academics who require offline proofreading for research papers or assignments
  • Professionals in legal, healthcare, or business fields seeking secure grammar assistance for emails and documents
  • Remote workers or travelers who need reliable proofreading without internet access

Why do startups need this tool?

Startups need Proofly because it provides a cost-effective, privacy-first tool for enhancing written communication without relying on cloud-based services that may pose data security risks. Its on-device operation reduces internet dependency and protects sensitive business information, such as emails or strategic documents, ensuring compliance and efficiency in fast-paced environments.

FAQs

Proofly Alternatives

Grammarly
LanguageTool
ProWritingAid
Hemingway Editor