All PDF Tools

Access the complete collection of PDF utilities by One Doc. Merge, split, compress, sign, repair and optimize your documents securely using tools that run entirely inside your browser.

Header/Footer

Page labels

Compress PDF

Reduce file size

Crop PDF

Trim margins

Delete Pages

Remove pages

Flatten PDF

Lock form layers

Form Filler

Fill PDF forms

Highlight PDF

Mark important text

HTML to PDF

Convert webpage

Merge PDF

Combine documents

Number PDF

Add page numbers

Compare PDF

Detect differences

PDF to Text

Extract text

PDF to Word

Convert to editable docx

Redact PDF

Hide sensitive text

Remove Blanks

Clean empty pages

Reorder Pages

Rearrange file structure

Repair PDF

Fix corrupted files

Rotate PDF

Adjust orientation

Sign PDF

Add digital signature

Split PDF

Extract pages

Watermark PDF

Add watermark

Word to PDF

DOCX convert

Resize PDF

Reduce file size

PDF Tools Help & User Guide

Managing PDF documents efficiently is essential for professionals, students, and businesses. One Doc provides a comprehensive suite of browser-based utilities that allow users to manipulate and optimize PDF files securely without uploading them to external servers. Tools like Merge PDF, Split PDF, and Compress PDF make document management simple while keeping your data private.

Many users frequently need to combine several documents into one file. Our Merge PDF tool allows you to select multiple files and combine them instantly within your browser. This feature is particularly useful for compiling reports, combining invoices, or preparing document packages for submission.

Another commonly used function is splitting documents into smaller sections. The Split PDF utility enables you to extract specific pages or create multiple smaller documents from a single file. This helps when sharing only selected information rather than sending an entire document.

If your PDF contains confidential information, the Redact PDF tool allows you to permanently remove sensitive content. Unlike simply covering text with a black box, true redaction deletes the data from the file structure itself, ensuring security when sharing documents publicly. You can also use the Highlight PDF tool to annotate and mark important passages for review.

For legal or professional workflows, digital signatures are often required. The Sign PDF feature allows you to add electronic signatures quickly without installing additional software. Because all processing happens locally, your signature remains private and never leaves your computer.

Editing the structure of a PDF is also possible. The Reorder Pages tool lets you change the page order, while the Rotate PDF tool corrects page orientation issues. If unwanted blank pages appear, the Remove Blank Pages tool cleans your document instantly.

Users who frequently prepare formal reports often add page numbers or headers. Our Number PDF tool automatically inserts page numbers, and the Header and Footer tool allows custom titles, dates, or company names to appear across pages.

Image-heavy PDFs can sometimes be too large to send by email. The Compress PDF utility reduces file size while maintaining visual quality. This is especially helpful when uploading documents to websites, email attachments, or government portals that enforce strict size limits.

Developers and designers often need to convert websites or HTML content into documents. The HTML to PDF tool transforms web pages into portable documents ideal for archiving or sharing offline.

In situations where PDF files become corrupted or damaged, the Repair PDF tool attempts to recover readable content and restore document structure. Similarly, the Compare PDF utility helps detect differences between two versions of a document, which is valuable during revision or editing workflows.

Finally, advanced utilities like Flatten PDF, Crop PDF, and Form Filler allow precise formatting adjustments. These tools are particularly useful for preparing print-ready documents or standardizing layouts before publishing.