DeepL
Translation8.6Machine translation for 30+ languages, with glossaries and document files
- Price
- $10.49/mo
- Free plan
- Yes
- API
- Yes
A Chrome extension puts the tool where the work already happens, and that placement is worth more than a slightly better model behind a separate tab. Writing assistants correct inside Gmail and Google Docs.
Translators handle the page you are reading and the box you are typing into. Answer engines summarize the article without you copying it anywhere. The trade-off is permissions.
An extension that reads and changes data on every site can see everything you type, including passwords and client documents, so the vendor privacy policy matters more here than anywhere else in this directory.
Check what the extension is allowed to read, and prefer ones that activate on click rather than on every page. Each listing states its privacy terms and the date its pricing was checked.
Grammarly is the one to install first, since it corrects writing in every text field on the web. DeepL translates any page or selection, and Perplexity answers with sources without leaving the tab.
Machine translation for 30+ languages, with glossaries and document files
Google's assistant across the Gemini app, Gmail, Docs and Android
Answer engine that searches the web and cites every source
Ranked by editor score, then by listing completeness. Entry price is the cheapest paid plan.
| Tool | Best for | From | Free plan | Platforms | Score |
|---|---|---|---|---|---|
| 1 | Teams translating documents who need consistent terminology and EU-grade privacy | $10.49/mo | Yes | Web app, Windows, macOS +3 | 8.6 |
| 2 | Anyone already working in Gmail, Docs and Drive who wants one assistant across them | $4.99/mo | Yes | Web app, iOS, Android +1 | 8.6 |
| 3 | Researchers, students and analysts who need verifiable answers quickly | $20/mo | Yes | Web app, iOS, Android +3 | 8.6 |
| 4 | Teams putting AI into workflows across tools that have no native integration | $19.99/mo | Yes | Web app, Chrome extension, CLI | 8.5 |
| 5 | Sales and client-facing teams in back-to-back calls all day | $18/mo | Yes | Web app, iOS, Android +3 | 8.5 |
| 6 | Individuals and teams who want meeting notes without taking any | $16.99/mo | Yes | Web app, iOS, Android +1 | 8.3 |
| 7 | Marketing teams and agencies that need on-brand content at volume | $49/mo | No | Web app, Chrome extension | 8.1 |
| 8 | Anyone writing English daily who wants corrections without leaving their app | $30/mo | Yes | Web app, Windows, macOS +4 | 8.1 |
Every listing in this hub, 24 per page.
Connects 9,000+ apps and runs AI steps inside the automation
Meeting notetaker with unlimited transcription and CRM sync
Meeting notetaker that joins the call and writes the recap
AI marketing platform with brand voice, campaigns and content workflows
Grammar, tone and rewriting help in every app you already write in
3 checks, in the order that saves the most time.
Read and change all your data on all websites is the broadest permission Chrome grants. Prefer extensions that activate on click, and check the vendor retention policy.
Support for Google Docs, Outlook web and rich-text editors is uneven, and those are exactly the places people expect it. Test your own tools during the trial.
An extension injected into every page adds latency and memory. If your browser slows after installing, restrict the extension to the sites where you need it.
Short, factual answers on pricing, free plans and how AI Chrome extensions are ranked here.
Ask another questionGrammarly for writing corrections in every text field, DeepL for translating pages and selections, and Perplexity for answering questions about the page you are reading.
They ask for permission to read and change data on the sites they run on, which means they can see what you type. Install only from vendors whose retention and training policies you have read.
Grammarly does, and so does DeepL for translation. Support for rich-text editors is uneven across smaller tools, so test it during the trial rather than assuming.
Most carry the free tier of their parent product. Grammarly corrects spelling and grammar free with no expiry, and DeepL translates with a character cap.
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