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July 2026
Free tier available
Popular AI services
What we checked ourselves
Not copied from the project's own blurb. These are things we opened and verified, with the date.
- 11 Sept 2026We checked that the link to the project still resolves.
- 20 Aug 2026We read the official terms of service to check commercial use: allowed with conditions.
Where this sits among the 15 tools we list in Popular AI services
- Works without using a terminal15 of 15
- No API key required15 of 15
- Runs on a phone alone13 of 15
Only 13 of the 15 meet all of the conditions above.
Counted from our own checks: every tool we list is examined against the same criteria.
What it does
Translations that read like a human wrote them, in 30+ languages. Free tier covers everyday use.
Summary based on the project's own description. The Japanese page has a fuller beginner guide: setup difficulty, what to prepare, and a step-by-step start.
Screenshots & visuals

Before you start
- Setup difficultyEasy to start
- Command lineNot required
- API keyNot required
- Sends data onlineYes
Judged automatically from the project's own metadata. Always confirm on the official page.
DeepL FAQ
- Do I need to install anything or write code to use DeepL?
- No install needed — it runs in the browser.
- Does DeepL work on a phone?
- Yes, it works on a phone.
- Can I use DeepL commercially?
- Only under conditions. The page shows 商用サービス, but the actual terms — the AI model this page runs, or the provider's own terms — attach restrictions. Check the provider's terms before using it at work.
How it compares
The conditions that decide whether you can actually use it, side by side.
| Tool | Command line | API key | Sends data out | Phone | Commercial use |
|---|---|---|---|---|---|
| DeepL (this page) | Not needed | Not needed | Yes | Yes | With conditions |
| Claude | Not needed | Not needed | Yes | Yes | Yes |
| ChatGPT | Not needed | Not needed | Yes | No | Yes |
| Gemini | Not needed | Not needed | Yes | Yes | Yes |
"Sends data out" means your input is uploaded to someone's server. Pick "No" when the material cannot leave your organisation.