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Grammarly vs LanguageTool: Which Prioritizes Your Data Privacy?

Explore how US-based Grammarly and Germany's LanguageTool handle your data with an emphasis on privacy and security. Discover which tool aligns with your privacy needs today.

Last updated: February 18, 2026โ€ขReviewed by Built in EU Team

Should You Switch to LanguageTool?

What You Gain

Better privacy, multilingual support, open-source customization

Privacy advantage
Trade-offs

Potential loss of advanced AI features and plagiarism detection

Grammarly has more features
Bottom Line

Switch if privacy and multilingual support are priorities; stay for advanced AI

At a Glance

Data Location
๐Ÿ‡บ๐Ÿ‡ธUS

US data laws

๐Ÿ‡ฉ๐Ÿ‡ชDE

GDPR protected

Pricing

Grammarly

Contact

LanguageTool

Contact

Migration
Medium difficulty~1-2 hours

Privacy & Compliance Comparison

Critical data sovereignty factors at a glance

CriteriaGrammarlyLanguageTool
Server Location
US (AWS)EU
GDPR Compliance
Partial (SCCs)Full
Open Source
E2E Encryption
UnknownUnknown
Data Portability
LimitedFull export

CLOUD Act Notice

Grammarly is a US company and must comply with CLOUD Act data requests, even for data stored in EU data centers. LanguageTool is not subject to US jurisdiction.

Switching from
Grammarly logo

Grammarly

๐Ÿ‡บ๐Ÿ‡ธ

Grammarly Inc.

VS
Switching to
LanguageTool logo

LanguageTool

๐Ÿ‡ฉ๐Ÿ‡ช

LanguageTool

US Data Storage

Data subject to US CLOUD Act and may be accessed by US authorities

EU Data Protection

Data protected under GDPR with EU-only data residency

Certifications & Compliance

No certifications listed

EU-Based
Open Source
EU-hosted
GDPR Compliant

Reasons to Switch

  • โœ“Supports 30+ languages for grammar checks
  • โœ“Open-source allows custom feature development
  • โœ“GDPR compliance ensures EU data protection
  • โœ“Integrates with multiple platforms easily

Things to Consider

  • !Lacks plagiarism detection feature
  • !Migration may require user adaptation
  • !End-to-end encryption status is unclear
Migration difficulty:
Medium
~1-2 hours

Migration Overview

Full guide
Difficulty
Medium
Time Estimate
~1-2 hours

Depends on data size and complexity

Quick Steps

1

Create LanguageTool account and configure settings

2

Export and prepare data from Grammarly

3

Import data, test integrations, and migrate users

Other alternatives to Grammarly

Ready to make the switch?

Start using LanguageTool today and take control of your data privacy.