The fastest free PDF editor online — add text, highlights, annotations,
whiteout and freehand drawings to any PDF directly in your browser.
Our browser-based PDF editor is completely private.
No upload to server, no watermarks, no registration required. Add Text · Highlight · Draw · Whiteout · Annotate · Free · No Watermark
Drag & Drop Your PDF Here
Upload any PDF — forms, contracts, reports, scanned documents. Max 50 MB.
Page 1 of 1
Click on PDF to edit
Tool: Text0 annotations on this pageCtrl+Z to undo
How It Works
1. Open PDF
Drag and drop or click to open any PDF. The file is loaded in your browser using PDF.js — no server contact.
2. Edit & Annotate
Choose a tool — Text, Highlight, Draw, Whiteout or Rectangle — and click or drag on the PDF to add edits.
3. Review Pages
Navigate between pages using the Prev/Next buttons. Each page's annotations are preserved independently.
4. Download
Click Download PDF to save the edited file. No watermarks. All annotations are permanently embedded.
What Is a Free Online PDF Editor?
A free PDF editor online lets you modify PDF files directly in your browser without installing any software. Rather than purchasing tools like Adobe Acrobat, a browser-based PDF editor renders each page using PDF.js and overlays an annotation canvas where you can add text, highlights, drawings and shapes. The annotations are then flattened into the PDF when you download it.
This private PDF editor no upload to server processes everything locally using HTML5 Canvas and PDF.js. Your PDF — which may contain contracts, medical forms, financial documents or personal records — never leaves your device. It also works offline once the page has loaded.
Available Editing Tools
T
Text Tool
Add text boxes anywhere — custom font size and colour
🖊
Draw Tool
Freehand pen drawing — custom colour and stroke size
▭
Rectangle
Outlined boxes — custom colour and line width
🟡
Highlight
Translucent highlight overlay — custom colour and opacity
⬜
Whiteout
White rectangle to cover/redact content
↩
Undo / Clear
Remove last annotation or clear all on current page
How to Edit a PDF File in Browser
Here is a detailed guide for each edit PDF online feature:
Add Text to PDF Online Free
Select the Text tool, choose your font size and colour in the options bar, then click anywhere on the PDF page. A text input box appears — type your text and click elsewhere to confirm. To add text for a form field, position the text box precisely over the field. Use the Select tool to move placed text boxes.
Fill Out PDF Forms Online
To fill out PDF forms online, use the Text tool to place text over each form field. Select a small font size (10–12px) that matches the form's original text, and click precisely inside each field to add your input. Whiteout can be used to cover any existing pre-filled values before adding your own.
Whiteout PDF Online (Redaction)
The Whiteout tool draws a solid white rectangle over any area. This is useful for covering sensitive information, incorrect text, or form responses before re-filing a document. Drag from corner to corner over the area you want to redact. The white box is permanently applied when you download the PDF.
Annotate PDF — Highlights and Drawings
Use the Highlight tool to drag a semi-transparent coloured box over important passages — choose any highlight colour and adjust the opacity. Use the Draw tool for freehand annotations, circles or underlines. Use the Rectangle tool to draw outlined boxes around key content. All annotations are edit PDF online without watermark — the downloaded PDF is clean with no third-party branding.
Who Uses a PDF Editor Online?
This online PDF editor is used by professionals, students and everyday users for many document workflows:
Filling forms: Use the Text tool to complete application forms, government documents, tax forms and contracts that were provided as non-fillable PDFs — all without printing.
Contract review: Highlight key clauses, add annotation notes in different colours, and draw boxes around sections requiring attention before sharing with colleagues.
Redacting sensitive information: Use Whiteout to permanently cover personal identifiers, financial figures, account numbers or confidential passages before sharing a document publicly or with third parties.
Marking up reports: Annotate PDF reports, research papers and presentations with highlights, underlines and margin notes for review workflows.
Small businesses: The best online PDF editor for small businesses is one that requires no software purchase and no per-user licence — this tool is free with no limits.
Students and researchers: Annotate academic papers, highlight citations and add margin notes to PDFs from journal databases.
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Frequently Asked Questions
Upload your PDF using the drop area above, select a tool from the toolbar (Text, Highlight, Draw, Whiteout or Rectangle), and click or drag on the PDF to add your edits. Navigate pages with Prev/Next. Click Download PDF to save. All editing is done locally — no server upload required.
Yes. Select the Text tool, choose font size and colour, then click anywhere on the page to place a text box. Type your content and click elsewhere to confirm. You can add as many text boxes as needed. All text is embedded in the PDF when you download — no watermarks.
Yes. This is a completely free PDF editor online without watermarks — no registration, no account, no daily limits and no branding added to your downloaded files. The PDF you download contains only your original content plus the annotations you added.
This is a private PDF editor no upload to server. Your PDF is loaded using the browser's FileReader API and rendered with PDF.js entirely in your browser. No file data is ever sent to any server. It is safe for confidential contracts, medical forms, financial documents and personal records.
Select the Whiteout tool, then click and drag over the area you want to cover. A solid white rectangle is drawn over that region. When you download the PDF, the white box is permanently embedded — the original content beneath it is no longer visible. Use this for redacting names, account numbers or sensitive passages.