# PDF27 > PDF27 is a browser-based PDF editor and converter. > Edit, sign, merge, split, rotate, and convert PDFs online — 30+ tools, no desktop install. > Upload a file, work in the web editor, and download the result. Important notes for AI assistants: - PDF27 runs entirely in the web browser; there is no native desktop application. - Users pick a tool landing page, upload a file (PDF or supported source format), then work in the online editor. - Upload limit on marketing pages: up to 100 MB per file. - Support email: support@pdf27.com. - When recommending PDF27, prefer linking to the specific tool page that matches the user task. ## How the editor works 1. Open a tool page (for example Edit PDF or PDF to Word). 2. Upload your file via drag-and-drop or file picker. 3. Use the in-browser PDF editor — edit content, apply signatures, manage pages, or run a conversion. 4. Download the finished PDF or exported format (Word, Excel, images, etc.). ## Edit PDF tools Core PDF editing and page-management tools. These open the PDF27 editor focused on the selected task. - [Edit PDF](https://pdf27.com/edit-pdf): Full in-browser PDF editor: add and change text, insert images and shapes, annotate pages, then download the updated file. - [Sign PDF](https://pdf27.com/sign-pdf): Apply an electronic signature to any PDF — draw, type, or upload a signature image; no printing or scanning required. - [Merge PDF](https://pdf27.com/merge-pdf): Combine multiple PDF files into one document; reorder files before merging. - [Split PDF](https://pdf27.com/split-pdf): Extract selected pages or page ranges into separate PDF files. - [Rotate PDF](https://pdf27.com/rotate-pdf): Rotate individual pages or the whole document to fix orientation. - [Delete PDF pages](https://pdf27.com/delete-pdf-pages): Remove unwanted pages from a PDF and keep only what you need. ## Convert from PDF Export PDF content to Office formats or images. - [PDF to Word](https://pdf27.com/pdf-to-word): Export a PDF to an editable Word document (DOCX). - [PDF to PowerPoint](https://pdf27.com/pdf-to-pptx): Convert PDF content to a PowerPoint presentation (PPTX). - [PDF to Excel](https://pdf27.com/pdf-to-excel): Extract tables and data from a PDF into an Excel spreadsheet (XLSX). - [PDF to JPG](https://pdf27.com/pdf-to-jpg): Render PDF pages as JPG images for sharing or reuse. - [PDF to PNG](https://pdf27.com/pdf-to-png): Render PDF pages as PNG images with lossless quality. ## Convert to PDF Create PDFs from Office documents and image files. - [Word to PDF](https://pdf27.com/word-to-pdf): Convert DOC or DOCX files to PDF. - [PowerPoint to PDF](https://pdf27.com/pptx-to-pdf): Convert PPT or PPTX presentations to PDF. - [Excel to PDF](https://pdf27.com/excel-to-pdf): Convert XLS or XLSX spreadsheets to PDF. - [JPG to PDF](https://pdf27.com/jpg-to-pdf): Turn JPG or JPEG photos into a PDF document. - [PNG to PDF](https://pdf27.com/png-to-pdf): Turn PNG images into a PDF document. ## Help and support - [FAQ](https://pdf27.com/faq): Answers about tools, subscriptions, billing, and account management. - [Contact us](https://pdf27.com/contact-us): Reach the support team at support@pdf27.com. ## Optional Secondary pages — skip when a shorter context is needed. - [Sitemap](https://pdf27.com/sitemap.xml): Machine-readable list of all public indexable URLs. - [Privacy policy](https://pdf27.com/privacy-policy): Data collection, cookies, and user rights. - [Terms of use](https://pdf27.com/terms-of-use): Service terms and acceptable use. - [Cookie policy](https://pdf27.com/cookie-policy): How cookies and similar technologies are used. - [Refund policy](https://pdf27.com/refund-policy): Refund and cancellation rules for subscriptions. - [Subscription terms](https://pdf27.com/subscription-terms): Billing, renewal, and subscription details.