使用 保护PDF 免费在线处理 PDF。无需安装，可直接在浏览器中快速处理文件。
此工具可简化常见 PDF 操作。
结果取决于源文件和所选选项。
PDF 可能包含敏感数据，请使用可信设备。
Our tool supports every standard PDF (PDF/A for long-term archiving, PDF/X for professional printing, interactive PDFs with forms and signatures) as well as the main related formats (JPG, PNG, WebP, DOCX, TXT, HTML). No installation required: it runs on Windows 10/11, macOS, Linux, ChromeOS, Android and iOS (iPhone, iPad), with an interface optimized for mobile, tablet and desktop. Compatible with recent versions of Chrome, Firefox, Safari, Edge, Opera and Brave.
This PDF tool is used every day by students assembling theses and reports, freelancers sending quotes and invoices, SMBs handling contracts and payslips, lawyers and notaries preparing confidential legal files, doctors sharing medical reports, and administrations digitizing official documents. It also fits individuals who want to merge supporting documents, compress a job application, or password-protect a personal file before sending it by email.
是的，Convertly PDF 的主要工具可在线使用。
不需要，现代浏览器即可。
Convertly PDF 会在可行时优先本地处理。
可以，界面支持桌面、平板和手机。