SpellBoy
SpellBoy is a free web-based spelling and grammar checker from SpellBoy, operated by C.
What SpellBoy is
SpellBoy is a free web-based spelling and grammar checker from SpellBoy, operated by C. Blum GmbH in Pinneberg, Germany. It looks for spelling, grammar, and stylistic problems that a basic spell checker may overlook. The online tool supports 13 language variants, including English, German, Portuguese varieties, Dutch, Spanish, French, and Russian. Its correction rules and algorithms are based on the LanguageTool grammar checker, which SpellBoy describes as 100% open source. SpellBoy says it does not store users’ texts. The service is available through a web browser and has a Free plan listed as free, with 13 supported language variants and no text storage stated. Founder and developer Christopher Blum says he began building the checker in 2007. The privacy policy says personal data is processed under GDPR and applicable country-specific rules. Feedback is invited at [email protected].
Good
- Free web-based checker
- Supports 13 language variants
- Checks style as well as spelling
- Based on LanguageTool rules
- Says texts are not stored
Watch out
- Web platform only
- No text storage stated, not a guarantee
Who it suits
SpellBoy suits people who want a free browser-based checker for spelling, grammar, and style across 13 language variants. It is also relevant to users seeking a service that says it does not store their texts.
Verdict
SpellBoy combines spelling, grammar, and stylistic checking in a free web tool. Its language coverage and stated text-handling policy may suit multilingual browser users.
Plans and prices
From SpellBoy's own pricing page, checked 9 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Free | Free | No text storage stated · 13 supported language variants |
The facts
Each one read from SpellBoy's own pages, with the date it was checked.
What it does
- Data protection
- The privacy policy says the service processes personal data in line with GDPR and applicable country-specific data protection rules.checked 9 Oct 2026
- Founder
- Christopher Blum identifies himself as SpellBoy’s founder and developer.checked 9 Oct 2026
- History
- The founder says he started building the web-based checker in 2007.checked 9 Oct 2026
- Languages
- SpellBoy supports 13 language variants, including English, German, and Portuguese varieties, plus Dutch, Spanish, French, and Russian.checked 9 Oct 2026
- Operator and address
- SpellBoy’s privacy policy names C. Blum GmbH as its operator and lists an address in Pinneberg, Germany.checked 9 Oct 2026
- Privacy
- SpellBoy says it does not store users’ texts.checked 9 Oct 2026
- Purpose
- SpellBoy checks spelling, grammar, and stylistic errors that a simple spell checker may miss.checked 9 Oct 2026
- Service access
- The spelling and grammar checker is described as completely free to use.checked 9 Oct 2026
- Support
- The about page invites feedback by email at [email protected].checked 9 Oct 2026
- Technology
- Its correction rules and algorithms are based on the LanguageTool grammar checker, which SpellBoy describes as 100% open source.checked 9 Oct 2026
- Usage
- The founder says more than 8 million people worldwide have used SpellBoy.checked 9 Oct 2026
- Web tool
- The checker is available as an online spelling and grammar tool on SpellBoy’s website.checked 9 Oct 2026
The company
- Founded
- 2007checked 28 Sep 2026
- Headquarters
- Pinneberg, Germanychecked 28 Sep 2026
Money
- Free plan
- Yeschecked 22 Sep 2026
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