AI text improver

Apple's on-device AI layer baked into iOS, iPadOS, macOS, and visionOS with a rebuilt Siri, writing tools, and image generation.

In-line AI inside your Notion docs and databases.

AI-powered writing coach and manuscript editor built for fiction authors and long-form writers.

Cross-app AI writing assistant that catches errors, rewrites paragraphs, and adjusts tone in the tools you already use.

Open-source local-first note-taking app that uses AI to turn raw clippings into structured Markdown.

AI writing assistant from the team behind DeepL Translator, tuned for fluent rewrites across 19 languages.

AI paraphrasing and grammar suite that grew into an all-in-one writing toolkit.

Chrome extension that adds Gmail-style AI autocomplete to virtually any text field in the browser.

Browser extension that turns ChatGPT into a tracked-changes proofreader for your documents.

Browser-based AI writing assistant with autocomplete, persona-matching, and integrated research citations.

Native macOS menu bar and system-wide wrapper that puts ChatGPT one keystroke away.

Privacy-first Mac AI writing assistant that redacts PII before any cloud call and indexes your files locally.

macOS keyboard launcher that pipes selected text in any app to ChatGPT via your own OpenAI key.

Google Docs sidebar add-on that drops GPT-class drafting, rewriting, and summarization straight into your document.

Run local LLMs directly inside Microsoft Word without sending text to the cloud.

Native macOS menu-bar client that talks to every major LLM with your own API keys.

Google Docs-style writing app with an LLM sidekick wired into every sentence.

Prompt optimizer from Jina AI that rewrites and stress-tests prompts across major LLMs.

AI-native document editor that drafts and rewrites in natural language, pitched as a Google Docs alternative.

AI rewriting and paraphrasing assistant from AI21 Labs that polishes tone, summarizes long content, and drafts in your voice.

Native macOS and iOS overlay that drops ChatGPT into any app, Spotlight-style.

Windows desktop ChatGPT client with a polished native UI and a bring-your-own-key lifetime option.

Browser-side AI copilot that drops GPT-4 and Claude into Gmail, LinkedIn, and any web text field.

Turns aggressive gaming chat into constructive callouts in real time