AI app for writers · no coding needed
Cross-application writing correction and rewrite assistant
Reduce correction and rewrite time while keeping the writer's voice and source text.
Made for: Writers, editors and support teams who correct and rewrite text inside the applications they already use

What it does for you
The problem
Writers switch between many single-purpose writing tools, so corrections, rewrites and style rules are split across subscriptions and never stay with the text.
What it gives you
Reviewed corrections and rewrites applied in place
What you give it
Selected textstyle ruleslanguage settingspermitted model credentials
Build your own version of TypoTab, Steer 2.0 and more
One app with what these 10 AI tools do, yours to keep and change: TypoTab, Steer 2.0, SnapRewrite, Kerlig, Steer, Fixkey, Rewrait, Fluent, Attyn, Heynds.
Everything these tools do, in one app
- In-place text editing Lets you fix or rewrite text directly inside the app you are already using without switching windows.Found in SnapRewrite, Kerlig, Steer and 6 more
- Grammar and spelling correction Automatically detects and corrects grammar and spelling mistakes in your writing.Found in TypoTab, Kerlig, Steer and 1 more
- Real-time typo detection Highlights and suggests corrections for typographical errors as you type.Found in TypoTab
- Text rewriting and polishing Rewrites selected text to improve clarity, tone, or brevity.Found in SnapRewrite, Rewrait, Attyn and 1 more
- Custom AI commands Allows you to create reusable prompts or commands to enforce a consistent style or tone.Found in SnapRewrite, Kerlig, Fixkey and 2 more
- Keyboard shortcut access Triggers the assistant quickly using a customizable keyboard shortcut.Found in Steer, Fixkey, Rewrait and 2 more
- Multi-model support Lets you choose from multiple AI models or connect your own API credentials.Found in Kerlig, SnapRewrite, Fluent and 1 more
- Multilingual support Supports writing and correction in many languages beyond English.Found in TypoTab, Steer, Fixkey and 2 more
- Voice-to-text dictation Converts spoken words into written text in real time.Found in Fixkey, Attyn, Heynds
- Cross-application compatibility Works across a wide range of desktop applications and websites.Found in TypoTab, Kerlig, Steer and 5 more
- Offline mode Allows the tool to function without an internet connection.Found in TypoTab, Fixkey
- Lightweight performance Runs without slowing down your device or interrupting your workflow.Found in TypoTab, SnapRewrite, Steer and 2 more
- Customizable language settings Lets you adjust language preferences and dialects.Found in TypoTab
- Screen content assistance Answers questions or provides help based on what is currently on your screen.Found in Attyn
- Visual explanation generation Turns a question into a visual explanation you can explore.Found in Attyn
- Image and screenshot support Allows attaching images or screenshots to writing tasks.Found in Fluent
- Secure API key storage Stores API keys encrypted for enhanced security.Found in Fluent
- Free tier or trial Offers a free version or trial period to use basic features.Found in TypoTab, SnapRewrite, Steer and 4 more
How it works, step by step
- Correct grammar and spelling in selected text
- Detect and highlight typos as the writer types
- Rewrite selected text for clarity, tone or brevity
- Apply reusable custom commands and style rules
- Trigger the assistant from a keyboard shortcut
- Switch between permitted AI models or the buyer's own credentials
- Support correction and rewriting in multiple languages
- Convert dictated speech into written text
- Work across desktop applications and websites
- Function without a network connection where a local model is configured
- Keep the assistant lightweight during normal writing
- Adjust language preferences and dialects
- Answer questions about the current screen content
- Generate a visual explanation from a question
- Attach images or screenshots to a writing task
- Store API keys encrypted
- Compare the reviewed result with the recorded baseline and value assumptions
- Capture corrections and named-owner approval before consequential use
- Export a versioned reviewed corrections and rewrites applied in place with source references and unresolved questions
Build it yourself with your AI system
Build this app yourself, no coding needed
Start with a quick version you can try in a few minutes. Like it? Then build the full app by copying and pasting our step-by-step instructions: everything is prepared for you.
Sign in to see how to build it yourself
Build a quick version to try, or get the full app pack for Cross-application writing correction and rewrite assistant with the step-by-step building instructions. You don't need any technical skills: you copy, paste and answer a few questions. Both are included in the membership.
4 Have it built for you days to a few weeks
Rather not do it yourself, or want it fully tailored to your data, your way of working and your brand? Nexibeo builds Cross-application writing correction and rewrite assistant with you.
What's in the app pack
Included in the Complete AI Training membership.
- The building instructions your AI follows, step by step
- The questions your AI will ask you about your business before it starts
- A clickable demo you can open in your browser, to see how it should work
- A detailed blueprint of the screens, the information it keeps and the checks it runs
Become a member to get the app packAlready a member? Sign in
The files, for the technically curious
- START-HERE.mdHow to build it with your own AI (read first)3 KB
- README.mdOverview and links4 KB
- questions.mdQuestions to answer before you build3 KB
- prompt-cloudflare.mdThe full build prompt, hosted on Cloudflare26 KB
- prompt-vps.mdThe same build on your own server (Docker)26 KB
- spec.jsonData model, API, AI pipeline, acceptance criteria13 KB
- demo/index.htmlThe working demo on sample data195 KB
Questions
Do I need to know how to code?
No. You copy and paste the prompts on this page into ChatGPT or Claude, and the AI does the building. When it asks you something, you answer in your own words.
What does it cost?
The quick version, the app pack and the step-by-step instructions are for members: you pay the membership price, not a price per app (see the plans). Building the full app uses your own ChatGPT or Claude subscription. Putting it online is often cheap or no cost at the start, and your AI tells you before anything costs money.
How long does it take?
The quick version: about two minutes. The real app: an afternoon for a first version you can use, longer if you want every feature.
Can I change it to fit my business?
Yes. Tell your AI what to change in plain words, like “add a column for the price” or “use our logo and colours”. Or have Nexibeo build and customise it for you.
More detailsHow the AI works, safeguards and what to build first
Reduce correction and rewrite time while keeping the writer's voice and source text. For writers, editors and support teams who correct and rewrite text inside the applications they already use, convert selected text, style rules, language settings and permitted model credentials into reviewed corrections and rewrites applied in place. The benefit is a testable hypothesis, measured through accepted corrections per editing hour and rework after the writer accepts a change; do not assume that AI output alone produces business value.
Confirm the buyer's problem and scope, collect selected text, style rules, language settings and permitted model credentials, then follow this sequence: 1. Correct grammar and spelling in selected text. 2. Detect and highlight typos as the writer types. 3. Rewrite selected text for clarity, tone or brevity. Resolve uncertain cases with qualified reviewers, approve reviewed corrections and rewrites applied in place, and measure accepted corrections per editing hour and rework after the writer accepts a change against a documented baseline.
How the AI works
Use AI to interpret permitted inputs, suggest structured mappings and generate candidate outputs for the three stated task modules. Use deterministic code for arithmetic, schema validation, hard constraints and reproducible tests. Review source-linked explanations and uncertainty before accepting results. One approved language set and permitted model list; final meaning and tone checks remain editorial. A model suggestion is never a verified fact, professional decision or authorization to act.
Safeguards
Preserve writer voice, source attribution, quotation accuracy and usage permissions. Writers approve substantive changes and publication scope. One approved language set and permitted model list; final meaning and tone checks remain editorial. Keep all consequential actions under authorized human control and do not fabricate missing inputs, permissions, professional judgments or market evidence.
What to build first
Pilot scope: One approved language set and permitted model list; final meaning and tone checks remain editorial. Implement one approved input format, a bounded representative case set and the first two task modules: correct grammar and spelling in selected text; detect and highlight typos as the writer types. Support the third module with operator review: rewrite selected text for clarity, tone or brevity. Include source references, corrections, basic organization access, approval states, export and value measurement. Use managed operator assistance for unresolved exceptions. The cost estimate covers this narrow prototype, not unrestricted multi-tenant scale, complex production integrations, specialist certification or physical operations.
What it can connect to
Writer-owned documents, permitted style guides and authorized reference sources. Cloud text storage, desktop application hooks and publishing destinations. Start with file exchange and validate destination specifications before promising direct publishing. Start with authorized file exchange. Validate current provider access, usage rights and schema behavior before promising a connector.
The screens in detail
Primary screens: Source-linked assistant, Command and style library, Administrator console. Use a compact overlay for in-place correction and rewrite, a side panel for source references, style rules and comments, and a console for commands, models, languages and access. Let users compare original and revised text side by side. Display draft, changes requested and approved states. Provide a review link with comments anchored to the relevant passage. Make the task-specific outcome reviewed corrections and rewrites applied in place visible beside its evidence, review state and value baseline.





