I created a web app for learning Chinese through videos with subtitles

I have added video learning and color customization features to "Chinese Reader," a web app for Chinese learners.You can ...
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How to Convert Scanned Files into Searchable and Editable PDFs Using PDFelement

PDFs are commonplace in most work environments. They’re typically small in size, secure, and compatible with most devices, irrespective of their operating systems. However, not everything about PDFs ...