Online PDF Annotation Tool

PDFAid is a trusted online service with a long track record of providing reliable PDF tools. Over time, it's become the go-to solution for editing documents, filling out and signing forms, and handling all kinds of PDF tasks directly in the browser. The interface is easy and intuitive, and you don't need to install any software to use our PDF tools.

Yes, PDFAid is safe to use. All uploaded documents are stored securely and are automatically deleted after 48 hours. We respect your privacy and follow strict standards to protect your personal and financial information.

We’re sorry to hear that you want to cancel your subscription. If you no longer need our service, you can click Cancel plan in the Membership tab of your account. You can also contact us via live chat, at billing@pdfaid.com, or by calling +44 808 501 2541 for help with canceling your subscription.

Our PDF editor offers more than 50 features. You can edit PDF files: sign, compress, add watermarks, merge PDFs, or split them. Also, you can convert files—for example, Word to PDF, Excel to PDF, JPG to PDF, PNG to PDF, PowerPoint to PDF, and PDF to TXT. The PDF converter supports all popular file formats.

You don’t need to install anything because PDFAid is a web-based tool that works seamlessly in all desktop and mobile browsers. It supports all major operating systems, including Windows, Mac, Linux, iOS, and Android. All you need is an internet connection. For the best experience, we recommend using Google Chrome.