Edit PDF
Add text, images & shapes onto a PDF. 100% in your browser — nothing uploaded.
Select a PDF
or drop a PDF here
Pick a tool, then click (text/image) or drag (shapes) on the page. Elements: 0
Your file is ready
Processed entirely in your browser — the file never left your device.
How to edit a PDF
Overlay text, shapes & images, then save.
Select a PDF
Drag a PDF onto the drop zone or click to pick one. The file is read into your browser and the first page renders on a canvas below.
Add elements
Pick a tool (text, rect, ellipse, line, highlight, or image) and place items on the page. Use the page arrows to move between pages, the color picker to change color, and Undo to remove the last item.
Save & download
Click Save edited PDF. All elements are flattened into the original PDF using pdf-lib, then the new PDF downloads to your device. Nothing was uploaded.
Why use Edit PDF on imisspdf?
Private by architecture
Contracts, signed forms, ID scans — the things you most need to edit are often the most sensitive. Here the file is read by your browser only, never uploaded, never logged, never stored on a server.
Fast, no upload wait
No round-trip to a server means edits apply instantly. For a 50-page PDF you are typing on the page in a second or two — server-based editors spend that time just uploading.
Free, no signup
No daily limit, no watermark on output, no trial that auto-converts to paid. The core editor is the product — not a funnel to a subscription.
Common questions about Edit PDF
No. This is an overlay editor, not a text-flow editor. The original text in a PDF lives inside content streams that reference embedded font subsets — touching one word can break kerning, line breaks, and page flow for everything after it. Instead, you add new elements (text boxes, shapes, images) on top of the page. If you need to white-out an existing line and rewrite it, draw a white rectangle over the old text and place new text on top. For full text-flow editing of arbitrary PDFs, only Adobe Acrobat Pro and a few cloud editors do that reliably — and they upload your file.
Acrobat Pro and Foxit are paid desktop apps that can re-flow existing text by re-parsing font metrics — powerful, but expensive ($20+/month) and they install on a single machine. imisspdf Edit PDF is a free in-browser overlay editor: it lets you add annotations, shapes, images, and new text without modifying the original content stream. For most everyday edits — adding a signature line, stamping "PAID", inserting a logo, masking sensitive lines, drawing arrows — overlay editing is faster and produces a clean, flat PDF.
Six element types: text (click anywhere, type the string, picks up the current color), rectangle (drag to size, filled with current color), ellipse / circle (drag to size, stroke with current color), straight line (drag from point A to B), translucent yellow highlight (drag to size — handy for marking quotes), and PNG / JPEG image (pick the file, then click on the page to place at 25% width). Use Undo to remove the last item, Clear to start over, and the per-tool color picker to change color before placing.
No. The file is read into your browser memory by your local FileReader API and never leaves the tab. Rendering is done with PDF.js (a Mozilla library), and the final saved PDF is built with pdf-lib — both run in WebAssembly inside your browser. You can verify in your browser DevTools: open the Network tab before editing and you will see zero outbound POST requests with your file. There is no server step, no temp file on disk, and nothing to delete after you close the tab.
Not directly. If your PDF requires a password to open, PDF.js will reject it and you will see an error. Unlock it first with our Unlock PDF tool (also in-browser — your password and file never leave the tab), then bring the unlocked PDF here to edit. After saving the edited version you can re-encrypt it with Protect PDF. For PDFs that are not password-locked but have permission flags blocking modification, pdf-lib usually ignores those flags during the save — but the result may not retain the original certifying signature.
Once you click Save edited PDF, all elements are flattened into the page content stream — they become part of the PDF and cannot be selected, moved, or deleted by another editor (including this one) afterward. This is intentional for stamping signatures, watermarks, and corrections you do not want anyone to edit out. If you need re-editable markup (highlights and notes that another reader can hide or remove), use Annotate PDF instead — that tool writes true PDF annotation objects which any compliant reader can toggle off.