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Dashboard
Organize
Merge PDFRearrange PDFSplit PDFExtract PagesRemove PagesRotate PDF
Optimize
Compress PDFDeskew PDFFilter PDFOCR PDF
Edit
PDF EditorPage NumberResize PDFCrop PDFWatermark PDFSign PDFEdit PDF Metadata
Convert
Image to PDFPDF to ImageExtract ImagesText to PDFMarkdown to PDFPDF to TXTPDF to ZIPZIP to PDF
Security
Protect PDFUnlock PDFFlatten PDF
Dely PDFDely PDF

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Dely PDF
Dashboard/Edit/PDF Editor

PDF Editor

A complete PDF editor: annotations, redaction, and form builder in one place

Single File Only

PDF Editor

A complete PDF editor: annotations, redaction, and form builder in one place

or drop files here. Max 1 file.

Guide

Why Choose Dely PDF

Full Annotation Toolkit for Review and Revision

Highlight, underline, strike through, draw freely, add shapes, or stamp an image. Great for reviewing work documents, coursework, or contracts before signing.

Add Comments Right on the Document

Mark up and comment on any spot in the document, then send the PDF to a colleague or client to read and reply.

Fill PDF Forms Directly

PDFs that already have fillable fields (AcroForm) can be filled straight from your browser, no printing needed.

Turn a Static PDF Into an Interactive Form

No fields yet? Add your own: text fields, checkboxes, radio buttons, or dropdowns to any PDF, then share it as a fillable form.

Redaction That Actually Removes Data

Mark an area or text you want to censor — it's permanently removed from the document, not just covered by a black box that can still be uncovered.

High-Resolution Viewer With Full Navigation

Read documents with sharp rendering at any zoom level, jump between sections with the outline, skim through thumbnails, or search for words inside the document.

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Your Privacy Stays Protected

Everything runs right in your browser. No file is ever sent to a server, so your personal documents never leave your device.

What Is This Tool For?

Revise Contracts and Work Documents

Add comments, highlight key sections, or mark revisions before sending the document back to a coworker or client.

Redact Personal Data Before Sharing

Permanently remove ID numbers, account numbers, or other sensitive data before sending a PDF to someone else.

Build a Registration or Survey Form

Turn a PDF form into something people can fill out from any device, no printing required.

Notes and Highlights on Course Material

Highlight key sections, add margin notes, or draw freely right on top of your PDF material.

How It Works

1

Open a PDF Document

Choose or drag a PDF file from your device. Everything runs right in your browser, never sent to any server.

2

Pick the Tool You Need

Annotate, highlight text, mark revisions, fill or build a form, or redact sensitive data — all in one editor.

3

Download Your Edited File

Changes are saved to the document instantly, ready to download anytime.

Frequently Asked Questions

Yes, it's completely free with no usage limits.

Yes. Redaction permanently removes the original content from the document, not just covers it visually.

Yes. You can add your own fields (text, checkbox, radio, dropdown) on top of any PDF using the Form Builder.

Not yet. Comments are saved inside the document, so you'll need to send the PDF to a colleague or client for them to read and reply.

Yes. Everything runs in your browser, so the file is never sent to a server.

Make PDF Work Easier

Upgrade to Dely PDF Pro for full access to every premium feature. No watermark, no file size limits, and the freedom to subscribe on your own terms, with no long-term commitment.

See Pro Plans
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© 2026 Dely Labs
Dely PDF

All files are processed locally on your device. Nothing is uploaded.

© 2026 Dely Labs. All rights reserved.

Privacy PolicyTerms & ConditionsAbout Us