Stillwrite: Local AI Editor

Markdown, Grammar & Privacy

Only for Mac

Free · In‑App Purchases

Mac

Write, edit, and refine text on your Mac with on-device autocomplete, grammar checks, summaries, polishing, and translation—without sending drafts to a cloud AI service. Stillwrite is a private Markdown and text editor for Mac with on-device autocomplete, grammar checks, summaries, polishing, and translation. Write freely. Stay private. READ AND WRITE FOR FREE Create, open, edit, and save plain text, Markdown, HTML, JSON, and source code files in a clean native workspace. Preview Markdown and HTML. RTF files are imported as editable plain text and never overwrite the original file. ENHANCE WITH PRO Stillwrite Pro adds integrated writing workflows: context-aware autocomplete, reviewable corrections, document summaries and rewrites, in-editor translation, and voice tools. Basic editing and saving remain available even when AI is unavailable. ON-DEVICE INTELLIGENCE Stillwrite uses Apple Foundation Models and system frameworks to assist your writing without sending document text to a cloud AI service. AI, translation, and speech features may require compatible hardware and locally installed model assets. • See subtle autocomplete suggestions and accept them only when you choose • Find spelling and grammar issues, then review each correction • Summarize selected text or an entire document • Polish writing with a style you control • Translate selected text with Apple's on-device Translation framework, with local AI fallback when supported • Read selected text or an entire document aloud • Dictate with on-device speech recognition and downloadable language models PRIVATE BY DESIGN Your documents remain in files you control. Stillwrite has no account system, advertising SDK, analytics SDK, or cloud AI provider. Apple Intelligence and speech features depend on compatible hardware, system availability, language support, and locally installed model assets. STILLWRITE PRO Reading, basic editing, and saving are free. A monthly or yearly auto-renewable Pro subscription provides ongoing access to Stillwrite's integrated intelligent writing workflows. Eligible new subscribers receive a 7-day free trial. After the trial, Apple automatically charges the selected plan unless it is canceled at least 24 hours before the trial ends. Trial eligibility and billing are controlled by Apple; subscribers who are not eligible for the offer are charged when they confirm the selected plan. You can restore purchases or manage and cancel your subscription from your Apple Account settings. Terms of Use: https://www.ningdom.com/terms.html Privacy Policy: https://www.ningdom.com/privacy.html

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The developer, Beijing Ningdom Technology Co., Ltd., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    • Beijing Ningdom Technology Co., Ltd.
    Size
    • 3.9 MB
    Category
    • Productivity
    Compatibility
    Requires macOS 26.0 or later.
    • Mac
      Requires macOS 26.0 or later.
    Languages
    • English and Simplified Chinese
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    • © 2026 Ningdom
  • Developer Website
  • Privacy Policy

    • More by Beijing Ningdom Technology Co., Ltd.