Free Grammar Checker
Erkennen und korrigieren Sie Grammatik-, Rechtschreib- und Stilfehler.
Frequently Asked Questions
Is the Grammatikprüfer free to use?
Yes, the Grammatikprüfer on Allio Tools is completely free with no sign-up or registration required. It works directly in your browser.
How does the Grammatikprüfer work?
Erkennen und korrigieren Sie Grammatik-, Rechtschreib- und Stilfehler. No data is sent to a server — everything runs locally in your browser for maximum privacy and speed.
Do I need to install anything to use the Grammatikprüfer?
No installation needed. The Grammatikprüfer runs entirely in your web browser on any device — desktop, tablet, or mobile.
Is my data safe when using the Grammatikprüfer?
Completely safe. The Grammatikprüfer processes everything locally in your browser. No input data, results, or usage information is ever transmitted to or stored on any server.
Does the Grammatikprüfer work offline?
After the page loads for the first time, the Grammatikprüfer works without an internet connection for all client-side processing. Tools that fetch live external data (such as DNS or WHOIS lookups) require an active connection.
Does the Grammatikprüfer save my work automatically?
The Grammatikprüfer operates entirely in your current browser session. Your input is not saved to any server. Use your browser's bookmark or your device's clipboard to preserve results between sessions.