Privacy Policy

Last Updated: June 2025

1. Information Collection

We use Google Analytics to collect anonymous visit statistics (such as page views, traffic sources, etc.). This data does not contain personally identifiable information.

We do not collect the content of files you upload. PDF tools and image format conversion tools run entirely in your browser — files never leave your device.

For AI-powered features (OCR text recognition, audio transcription), files are transmitted via SSL encryption to AI service providers and are automatically deleted after processing.

2. Cookie Usage

We use local browser storage to remember small preferences, such as dismissed ad banners. Third-party advertising networks may set cookies to serve and measure ads. You can disable cookies at any time in your browser settings.

3. Data Security

All data transmission is encrypted via HTTPS/SSL. Client-side tools involve no file uploads — your data never leaves your device.

AI processing file transfers also use encrypted channels, and files are deleted immediately after processing with no persistent storage on servers.

4. Third-Party Services

Google Analytics: Used for website traffic analysis, subject to Google's privacy policy.

Alibaba Cloud DashScope: Provides AI OCR text recognition services.

Youdao Smart Cloud: Provides AI speech transcription services.

Effective CPM Network: Serves third-party advertising on the site. Ad serving may use cookies to deliver and measure ads, subject to the network's privacy policy.

5. Contact Us

If you have any questions about this privacy policy, please contact us through the contact information provided on the website.