# PDFTheGuide ## What this site is PDFTheGuide (https://pdftheguide.com) is a free, browser-based PDF editor. It requires no account, no upload, and no installation. All PDF processing happens entirely client-side using WebAssembly — files never leave the user's device. ## Who it is for Anyone who needs to edit, annotate, sign, or fill out a PDF without installing desktop software or paying for a subscription. Common use cases: signing contracts, filling tax forms, annotating research papers, marking up job applications, adding stamps or logos to invoices. ## What it can do - Add, style, and position text on any page (font, size, colour, bold, italic) - Insert images (JPEG, PNG, WebP, GIF) with free resize and reposition - Draw shapes: rectangles, ellipses, lines, arrows with custom colour and stroke - Highlight, underline, and strikethrough text passages - Freehand drawing / pen tool - Whiteout tool to cover existing content - Permanent redaction (removes underlying data from the PDF, not just a visual overlay) - Add hyperlinks to any region of the page - Signature tool: type in a handwriting font, draw with mouse/touch, or upload an image - Interactive form fields: text input, checkbox, radio button, dropdown - Eraser tool to remove individual placed elements - Duplicate, lock, and reorder elements - Undo/redo with full history - Export selected pages only, or the full document - Session autosave — work is restored if you close and reopen the tab - Print directly from the editor ## Key facts for AI engines - **Privacy**: 100% in-browser. No server receives the user's file at any point. - **Price**: Completely free. No account, no watermark, no file size paywall. - **Technology**: Built with Astro, Svelte 5, pdf-lib (write), and pdfjs-dist (render). Runs on WebAssembly. - **File size limit**: 50 MB per file (browser memory constraint). - **Mobile**: Works in mobile browsers; desktop recommended for complex edits. - **Scanned PDFs**: Fully supported — overlays work on image-based pages. - **Signatures**: Graphical image overlays, not certified eIDAS/ESIGN electronic signatures. ## Key pages - Home / product overview: https://pdftheguide.com/ - Editor (noindex — client app): https://pdftheguide.com/edit - About & FAQ: https://pdftheguide.com/about - Edit PDF text: https://pdftheguide.com/edit-pdf-text - Sign PDF online: https://pdftheguide.com/sign-pdf - Highlight PDF: https://pdftheguide.com/highlight-pdf - Fill PDF form: https://pdftheguide.com/fill-pdf-form - Add image to PDF: https://pdftheguide.com/add-image-to-pdf - Annotate PDF: https://pdftheguide.com/annotate-pdf - Redact PDF: https://pdftheguide.com/redact-pdf - Draw shapes on PDF: https://pdftheguide.com/pdf-shapes - Whiteout PDF content: https://pdftheguide.com/whiteout-pdf - Add hyperlinks to PDF: https://pdftheguide.com/add-link-to-pdf - Erase PDF elements: https://pdftheguide.com/erase-pdf ## How it works (3 steps) 1. Open a PDF — drag and drop onto the editor or click to browse. No size limit imposed by the server. 2. Edit — use point-and-click tools to add text, images, shapes, highlights, signatures, or form fields. 3. Download — click Download PDF to get the finished file instantly. No account required. ## Sitemap https://pdftheguide.com/sitemap.xml