Privacy Policy
Last updated: June 13, 2026
SparroPDF is a PDF conversion tool operated under Hewu Labs. This Privacy Policy explains how we collect, use, store, and protect information when you use our website and services.
Information We Collect
We may collect the following types of information:
Files you upload
When you use SparroPDF to convert a PDF file, you upload the file to our service so we can process the conversion. We use uploaded files only to provide the requested conversion service.
Account information
If you create an account or sign in using a third-party login provider such as Google, we may receive basic account information such as your name, email address, and profile image.
Usage information
We may collect basic usage data, such as conversion count, file size limits, feature usage, error logs, browser type, device information, and approximate location based on IP address.
How We Use Your Information
We use your information to:
- Provide PDF conversion and related file tools
- Process uploaded files and generate converted output files
- Manage free usage limits
- Provide account login and authentication
- Respond to support requests
- Improve service reliability, security, and performance
- Prevent abuse, fraud, or misuse of the service
Uploaded Files
Uploaded files are processed automatically.
We do not manually review your uploaded files unless required for troubleshooting, abuse investigation, legal compliance, or with your explicit permission.
Uploaded files and converted files are automatically deleted after a limited period, normally within 1 hour after processing.
We do not use uploaded files to train AI models.
We do not sell uploaded files or file contents.
We do not share uploaded files with third parties except when necessary to provide the service, comply with legal obligations, prevent abuse, or protect the security of the service.
File Security
We use reasonable technical and organizational measures to protect uploaded files and user data. However, no internet-based service can guarantee absolute security. You should not upload highly confidential, sensitive, classified, or legally restricted documents unless you understand and accept the risks of using an online conversion service.
Third-Party Services
We may use third-party services for hosting, authentication, database storage, email, or infrastructure. These providers may process limited information only as necessary to help us operate the service. Examples may include: Hosting and deployment providers, Authentication providers, Database providers, Email and support tools, or error monitoring tools.
Data Retention
Uploaded files are normally deleted automatically within 1 hour. Account and usage records may be retained for as long as necessary to provide the service, comply with legal obligations, resolve disputes, prevent abuse, and enforce our agreements.
Your Rights
Depending on your location, you may have rights to access, correct, delete, or restrict the use of your personal information. You can contact us to request access, correction, or deletion of your personal information.
Children's Privacy
SparroPDF is not intended for children under the age of 13. We do not knowingly collect personal information from children under 13.
Changes to This Policy
We may update this Privacy Policy from time to time. When we do, we will update the "Last updated" date at the top of this page.
Contact Us
If you have any questions about this Privacy Policy, please contact us at: support@hewulabs.com