Organize PDFs
PagesMerge files, split documents, extract selected pages, and remove pages you do not need.
- Merge PDF
- Split PDF
- Extract PDF Pages
- Delete PDF Pages
PDF Tools by Workflow
Compress & Optimize
SizeReduce PDF file size before uploading, emailing, sharing, or storing documents.
- Compress after merging
- Prepare for uploads
- Share smaller files
Sign & Brand
FinishAdd signatures, watermarks, page numbers, headers, and footers for polished documents.
- Sign PDF
- Watermark PDF
- Add Page Numbers
- Add Header/Footer
Edit & Prepare
EditAdd text, annotations, cover pages, and convert images into clean PDF documents.
- Edit PDF
- Add Cover Page
- Image to PDF workflow
Popular PDF Tools
Edit PDF
Add text, notes, and annotations to PDF files online.
Open ToolMerge PDF
Combine multiple PDF files into one organized document.
Open ToolCompress PDF
Reduce PDF file size for uploads, email, and sharing.
Open ToolSplit PDF
Separate a PDF into smaller files or page groups.
Open ToolSign PDF
Add a signature to documents before sending or storing them.
Open ToolExtract PDF Pages
Save selected pages from a larger PDF as a new file.
Open ToolDelete PDF Pages
Remove unwanted pages and keep the rest of your document.
Open ToolWatermark PDF
Add text or image watermarks for document branding.
Open ToolAdd Page Numbers
Number pages for reports, forms, guides, and shared files.
Open ToolAdd Header/Footer
Place consistent headers and footers across PDF pages.
Open ToolAdd Cover Page
Create a clean cover page before sharing a finished document.
Open ToolWhich PDF Tool Should You Use?
Need one PDF from many files?
Use Merge PDF.
Need a smaller PDF file?
Use Compress PDF.
Need to separate pages?
Use Split PDF.
Need only selected pages?
Use Extract PDF Pages.
Need to remove unwanted pages?
Use Delete PDF Pages.
Need to sign a document?
Use Sign PDF.
Need to add text or notes?
Use Edit PDF.
Need document branding?
Use Watermark PDF or Add Header/Footer.
Recommended PDF Workflows
Combine and reduce file sizeMerge PDF → Compress PDF
Prepare pages from a large fileSplit PDF → Extract PDF Pages
Clean and share a documentDelete PDF Pages → Compress PDF
Prepare a signed documentSign PDF → Add Page Numbers
Turn photos into a documentImage to PDF → Compress PDF
Review a long PDF with AIMerge PDF → Talk to PDF
Browser-Based PDF Workflows
Free PDF Utilities
Use core PDF tools directly in your browser for everyday document tasks.
Browse PDF toolsWorkflow-Friendly Tools
Move from merging to compressing, signing, extracting, or reviewing PDFs without starting over.
Start a workflowAI PDF Review When Needed
After preparing a document, use Talk to PDF if you want summaries, answers, or document review support.
Review with AICommon Questions
Are NasajTools PDF tools free?
Yes. Core NasajTools PDF utilities are free to use for everyday document workflows such as merging, splitting, compressing, signing, editing, watermarking, extracting, and deleting pages.
Do my PDF files upload to a server?
Most standard PDF utilities are browser-based where supported, so your documents can be processed locally in your browser. AI review workflows such as Talk to PDF may use hosted processing because they need AI document analysis.
Which PDF tool should I use to combine documents?
Use Merge PDF when you need to combine multiple PDF files into one document.
What is the difference between Split PDF, Extract PDF Pages, and Delete PDF Pages?
Split PDF separates a document into smaller files, Extract PDF Pages saves only selected pages, and Delete PDF Pages removes unwanted pages while keeping the rest of the document.
Can I compress a PDF after merging it?
Yes. A common workflow is to merge PDFs first and then use Compress PDF to reduce the final file size before sharing or uploading.
Can I sign a PDF online?
Yes. Use Sign PDF to add a signature to your document online.
Can I edit a PDF online?
Yes. Use Edit PDF to add text, notes, and annotations to PDF documents online.
Can I use AI to ask questions about a PDF?
Yes. After preparing your document, use Talk to PDF to ask questions, summarize sections, and review long PDF files with AI support.