Daniel Gross

Chrome extension that saves Shopee product videos without watermark, every image in full size and reviews to Excel, in one folder per product.

Chrome and Edge extension that saves Gmail emails as PDFs in bulk, merges up to 50 into one PDF to save or print, and keeps attachments. Nothing is uploaded.

Chrome & Edge extension that saves Amazon product videos as source-quality MP4, HD images up to 3000px and full reviews to Excel in one click.

Timed HSK 3.0 mock tests for levels 1-9: instant scores, an explanation for every answer, AI writing marking and HSKK speaking scores.