Currently, we mainly support images, PDFs, and audio, including: • Images: JPG, PNG, GIF, BMP, TIFF, WEBP, HEIC, etc. • PDFs: Compression, splitting, merging, OCR recognition, etc. • Audio: MP3, WAV, FLAC, AAC, OGG, M4A, etc. We are actively expanding support for more file formats, please stay tuned for updates.

Currently, we can process one file at a time. We are planning to add batch processing functionality, please stay tuned.

To protect your privacy and security: • Processed files are saved on our server for 24 hours • Files are automatically deleted after 24 hours • We recommend you download the processed files in time • Original files are deleted immediately after processing We promise not to store or use your personal files.

We take strict measures to protect your files: • All file transfers use HTTPS encryption • Files are securely stored on our server using AES-256 encryption • Processed files are securely deleted after processing

The free version includes: • 5 file processing credits per day • Basic processing features (compression, format conversion, etc.) • No AI intelligent features • Community support Upgrading to a paid version unlocks more features and higher processing limits.

Upgrade steps: 1. Click the "Choose plan" button on the homepage 2. Select the monthly or annual plan that suits you 3. Use your credit card to complete the payment 4. Your account will be upgraded immediately, giving you access to more features We support monthly and annual payments, with annual payments offering more discounts.

Yes, you can cancel your subscription at any time. Your account will be downgraded to the free version after the current billing cycle ends.

AI chat feature usage: 1. Upload your files (images, PDFs, or documents) 2. Select the "AI chat" feature 3. Enter the question you want to ask 4. AI will answer your questions based on the file content Supports multi-turn conversations, allowing in-depth discussion of file content.

Our OCR technology features: • Chinese recognition accuracy > 95% • English recognition accuracy > 98% • Supports handwritten text recognition • Supports table structure recognition • Supports multi-language mixed recognition • Can recognize tilted and blurred text Continuously optimizing algorithms to improve recognition accuracy.

Supports 100+ languages, including: • Chinese (Simplified/Traditional) • English, Japanese, Korean • French, German, Spanish • Russian, Arabic, Portuguese • Thai, Vietnamese, Indian • And other mainstream languages Based on advanced neural network translation technology, ensuring translation quality.