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Draw freehand, add highlights, lines, arrows, shapes, and notes. Max 50MB.
Annotate your PDF documents in 3 simple steps directly inside your web browser.
Drag and drop your PDF document into the browser dropzone or select a file from your device.
Choose a tool (Pen, Highlighter, Line, Arrow, Rectangle, Circle, or Text) to draw freehand, sketch shapes, or write notes.
Click Export PDF to compile your vector annotations into a new PDF document and download it instantly.
Drawing directly on PDF documents is essential for reviewing contracts, grading assignments, taking lecture notes, diagramming ideas, and highlighting key information. Traditional workflows often required printing documents, marking them with physical pens, and scanning them back into digital format.
SnapFreeTools Draw on PDF eliminates printing and paper waste by providing a fast, web-based annotation workspace. You can draw freehand, sketch vector shapes, highlight text passages, and add typed notes directly inside your browser without installing heavy software suites or creating paid subscriptions.
Choose from a complete suite of precision drawing, highlighting, and shape tools.
Draw freehand sketches, write handwritten notes, or add custom marks using smooth bezier curve rendering.
Mark important sentences and key passages with vibrant, semi-transparent strokes that keep underlying text readable.
Target individual drawn annotations with the eraser or step backward and forward through your edit history.
Insert precise vector shapes including straight lines, directional arrows, rectangles, and circles with custom stroke colors.
Click anywhere on any page to type multi-line text notes, comments, and labels with adjustable font sizes.
Our editor features full page navigation, zoom controls, and thumbnail browsing for multi-page documents. On export, vector annotations are mapped into PDF coordinate space and embedded as native PDF graphics streams.
No server uploads. Your PDF documents are processed entirely inside your web browser. File parsing, thumbnail rendering, drawing interaction, and output export take place locally on your device.
Original PDF untouched. SnapFreeTools embeds your drawings as native vector objects. Original selectable text, embedded fonts, vector artwork, photos, and page resolution remain 100% intact.
Annotate documents on iPhones, Android devices, iPads, and touchscreen laptops.
The drawing canvas supports HTML5 Pointer Events and touch input on mobile devices and tablets, allowing fluid drawing with finger touches or digital styluses like Apple Pencil and Surface Pen. Smart event handlers prevent screen scrolling while actively sketching on page surfaces.
Add electronic signatures, initials, and date stamps to PDF pages.
Stamp text or image watermarks onto PDF pages with custom opacity.
Complete fillable form fields, checkboxes, and text inputs online.
Visually reorder, sort, swap, and rearrange PDF page thumbnails.
Remove unwanted or blank pages from your PDF document instantly.
Rotate individual pages or entire documents 90, 180, or 270 degrees.
Separate specific page ranges or single pages into a new PDF.