Help & support.
Direct answers about the ⌥W flow, the proofreader, and what leaves your Mac.
Copy, press ⌥W, review.
clipboard · diff · pasteNo setup, no account, no permissions. The panel works the moment the app is in your menu bar.
Copy.
Copy the text you want to fix — from Mail, a doc, a chat, anywhere.
Press ⌥W.
The floating panel opens pre-filled. Pick Proofread or a tone mode and run it.
Review & paste.
Read the word-level diff and the reasons, press Copy Corrected, and paste the clean version.
Writing, kept private.
offline · modes · providersProofreading never touches the network. Tone rewrites tell you exactly where they run before they run.
Copy any text anywhere, press Option-W, and the floating panel opens pre-filled from your clipboard. Press Proofread & Refine, review the word-level diff and the issue list, then press Copy Corrected and paste the clean version where you were working.
No. There is no keyboard hook, no Accessibility permission, and no background monitoring. The app reads the clipboard only when you invoke it, and writes to the clipboard only when you press Copy Corrected.
Entirely on your Mac, with no network at all — even if you have a cloud provider connected. It combines Apple's own spelling and grammar engine with deterministic writing rules: their/there, your/you're, its/it's, “could of” → “could have”, repeated words, a/an agreement, sentence capitalisation, spacing around punctuation, “alot” → “a lot”, “in order to” → “to”. Overlapping corrections are resolved before anything is applied.
Automatic paste-back into another app requires the macOS Accessibility permission and synthetic keystrokes — exactly the machinery a privacy-first writing tool should not carry. Ohms Write puts the corrected text on your clipboard and tells you so; pasting stays a deliberate act of yours.
Proofread is always available and always offline. Executive, Concise, Academic, and Friendly are genuine rewrites: on macOS 26 or later with Apple Intelligence they run on-device with Apple's language model; otherwise they use a provider you have connected with your own key. If neither is available the mode says so plainly instead of silently doing nothing.
Anthropic, OpenAI, Google Gemini, OpenRouter, GitHub Models, or an Ollama server on your own machine. You pay the provider directly under your own account; Ohms Write adds no markup and runs no middleman server. A per-provider model override is available in Settings.
Only the text you are refining and the mode's instruction, sent straight from your Mac to the provider's API under your key. Proofreading never sends anything. Silo Systems runs no server and receives no copy of your writing.
In the macOS Keychain, in app-scoped items — never in preferences, files, or logs, and never transmitted to Silo Systems. Disconnecting a provider removes its key.
Each run stores the original text, the corrected text, the mode, and the source, in a single local file in the app's Application Support container. Search it, delete any row, or clear it all from the History window.
Word and sentence counts are literal. Reading time assumes 200 words per minute. The Flesch-Kincaid grade estimates the US school grade needed to read the text comfortably — useful as a trend while you edit, not as a verdict on your writing.
A one-time Mac App Store purchase at $29.99. No subscription, no credits, no account. Any provider you connect bills you directly.