Edit your PDF files directly in your browser. Add text, draw freehand, highlight important sections, and annotate with shapes � all without uploading files anywhere. 100% free and private.
or click to browse from your device
Click the upload area or drag & drop your PDF file. Your document stays on your device � nothing is uploaded.
Select from pen, text, shapes, or highlighter. Adjust color and stroke width to your preference.
Draw, highlight, add text, or mark up shapes. Navigate between pages using the thumbnails panel.
Click download to save your edited PDF. All changes are embedded in a new file � your original is untouched.
The FreeNestTools PDF Editor is a free, browser-based tool that lets you draw, add text, highlight, and add shapes to your PDF documents. It uses PDF.js to render each page and an HTML5 Canvas overlay to capture your edits. All changes are embedded directly into the PDF, preserving the original content while adding your markup.
Unlike desktop PDF editors that require expensive software licenses or installation, this tool runs entirely in your browser. You can draw freehand with adjustable stroke width and color, add text anywhere on a page, highlight important passages with translucent color overlays, and add shapes such as rectangles and circles to draw attention to specific areas.
The PDF Editor uses a layered editing approach: the original PDF content remains untouched, and your edits are overlaid as annotation objects. This means you can always download the original PDF or reset your edits without affecting the source document. Each edit can be individually undone using the undo button or erased with the eraser tool.
All processing happens entirely in your browser using client-side JavaScript. Your PDF files are never uploaded to any server—they never leave your device. This ensures your documents remain completely private and secure. There are no file size limits, no watermarks, no registration, and no hidden charges. Edit as many PDFs as you need, as often as you like.
This tool is ideal for business professionals filling out and signing forms, students completing worksheet PDFs directly on their device, designers marking up PDF mockups, teachers adding feedback to student submissions, and anyone who needs to make quick edits to a PDF without installing software.
Editing tools: Pen (freehand drawing with 3 thickness levels), Text (click to add text at any position), Highlighter (translucent color overlay for emphasis), Shapes (rectangle and circle), Colors (8 preset colors for all tools), Eraser (remove any added element), Undo (step backward through your edits). Navigate between pages using the page thumbnail panel.
Important: This is a markup and annotation editor, not a full document editor like Adobe Acrobat Pro. You cannot edit existing text, move existing elements, or change the original PDF content. All edits are overlay annotations. For best results, use a mouse or stylus for drawing and handwriting. Touch input is supported but may be less precise.