MuhammadLab
PDF Tools

PDF Tools resources and learning tools.

Merge, split, compress, sign, protect, and edit PDF files directly in your browser.

Learning area

A focused collection for this topic.

These pages are grouped as a learning collection. More lecture notes, examples, and practical tools can be added without changing the page structure.

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Available resources

Available resources

Start with these resources

This category combines current MuhammadLab pages that match the topic. More lecture guides and interactive tools can be added here as the lab grows.

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Merge PDF — Combine Multiple PDFs into One

Upload 2 or more PDFs, reorder them, and combine into a single PDF file.

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Compress PDF — Reduce PDF File Size

Reduce the file size of your PDF without significant quality loss.

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Split PDF — Extract Pages or Split into Parts

Split a PDF into multiple files by page range, extract individual pages, or split every N pages.

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Sign PDF — Add Your Signature to Any PDF

Draw, type, or upload your signature and place it on any PDF page.

sign pdfpdf signatureadd signature to pdf
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Edit PDF — Add Text, Images, Shapes

Add text, images, shapes, and annotations to your PDF.

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PDF Toolkit — All-in-One PDF Studio

A complete browser-based PDF workspace. Merge, split, rotate, crop, edit, annotate, sign, redact, watermark, protect, unlock, extract text & images, convert PDF to JPG/PNG, convert images to PDF, run OCR, and more — all in one professional studio.

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Protect PDF — Add Password Encryption

Add password protection to your PDF files.

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Unlock PDF — Remove Password Protection

Remove password protection from PDF files (you must know the password).

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Rotate PDF Pages

Rotate PDF pages by 90°, 180°, or 270°.

rotate pdfpdf rotation
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Extract Text from PDF

Extract all text content from a PDF file.

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Delete Pages from PDF

Remove specific pages from a PDF file.

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PDF Diff Checker - Compare Two PDFs and Highlight Differences

Upload an original PDF and a modified PDF, compare selectable text word by word, and download annotated PDFs with changes highlighted.

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PDF Form Filler

Fill in PDF form fields online.

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Add Watermark to PDF

Add text or image watermarks to your PDF.

watermark pdfadd watermark to pdf
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OCR PDF — Make Scanned PDFs Searchable

Add a searchable text layer to scanned PDFs using OCR.

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Add Page Numbers to PDF

Add page numbers to any position on your PDF pages.

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Reorder PDF Pages — Drag and Drop

Drag and drop to rearrange pages in your PDF.

reorder pdf pagesrearrange pdf
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PDF Annotator — Highlights, Notes

Add highlights, sticky notes, and comments to PDF files.

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Extract Images from PDF

Extract all embedded images from a PDF file.

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Compare Two PDFs — Visual Diff

Compare two PDF files side by side with visual difference highlighting.

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Redact PDF — Remove Sensitive Info

Permanently redact sensitive information from PDF files.

redact pdfpdf redaction
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Repair PDF — Fix Corrupted Files

Attempt to repair corrupted or damaged PDF files.

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Crop PDF — Trim Margins

Crop PDF pages by adjusting margins.

crop pdftrim pdf margins
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AI PDF Summarizer — Get Key Points

Get an AI-generated summary of your PDF document.

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Flatten PDF — Flatten Form Fields

Flatten form fields and annotations in PDF files.

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Change PDF Page Size

Change PDF page dimensions (A4, Letter, A3, etc.).

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PDF Metadata Editor

Edit PDF title, author, subject, keywords, and other metadata.

edit pdf metadatapdf properties editor
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Convert PDF to Grayscale

Convert a color PDF to black and white / grayscale.

pdf to grayscalepdf black and white
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Add Header and Footer to PDF

Add custom headers and footers to PDF pages.

add header to pdfpdf header footer
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Convert PDF to PDF/A

Convert PDF to archival-ready PDF/A format.

pdf to pdfapdf/a converter
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Remove All Annotations from PDF

Strip all annotations, comments, and highlights from a PDF.

remove pdf annotationsclean pdf
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Optimize PDF for Web — Linearize

Linearize and optimize PDF files for fast web viewing.

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