Many teachers are looking for PDF, PPT, Excel, and Word file format conversion tools. Today, Jiaoping.com recommends six free and easy-to-use online conversion tools. I hope everyone has to help
PDF processing tool: iLovePDF
Through train: https://www.ilovepdf.com/zh-cn
Free, up to 18 kinds of format conversion functions: Common Office files to PDF, PDF watermarking, splitting PDF...!
PDF compression tool:docsmall
Through train: http://docsmall.com/
Five functions
PDF conversion tools:HIPDF
Through train: https://www.hipdf.cn/
15 functions to choose from
PDF conversion tool: smallpdf
Through train: https://smallpdf.com/cn
PDF conversion tool:LIGHTPDF
Through train: https://lightpdf.com/zh/
PDF conversion tool: cleverPDF
Through train: https://www.cleverpdf.com/cn
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