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PDF18
Combine, Split, Compress & Convert PDFs Online for Free.·pdf18.com
PDF18 is an online platform offering a suite of free PDF tools including merging, splitting, compressing, converting, editing, organizing, and securing PDF files. All tools run directly in the browser without requiring signup. It also offers conversion between PDF and formats like JPG, Word, PowerPoint, Excel, and HTML, plus an image-to-prompt tool for AI image generation.
What it's for
Merge/combine multiple PDFs into oneSplit PDF into separate filesCompress PDF file sizeConvert PDF to Word, PowerPoint, Excel, JPGConvert Word, PowerPoint, Excel, JPG, HTML to PDFDelete or extract PDF pagesOrganize and rearrange PDF pagesScan to PDFRepair damaged PDFsOCR PDF documentsEdit PDF content (text, images, shapes)Rotate PDF pagesAdd page numbers and watermarksCrop PDF pagesUnlock and protect PDFs with passwordsSign PDF documentsRedact PDF contentCompare PDFsConvert images into text prompts for Stable Diffusion or MidJourney
Features 22
- Add Page Numbers
- Add Watermark
- Compare PDF
- Compress PDF
- Convert PDF (to/from JPG, Word, PowerPoint, Excel, HTML)
- Crop PDF
- Delete PDF Pages
- Edit PDF (text, images, shapes)
- Extract Pages
- Image to Prompt conversion
- Merge PDF
- OCR PDF
- Optimize PDF
- Organize PDF
- Protect PDF
- Redact PDF
- Repair PDF
- Rotate PDF
- Scan to PDF
- Sign PDF
- Split PDF
- Unlock PDF
At a glance
free tier
TypeWeb app
DeploymentCloud
PlatformsWeb, Windows, iOS, Android
CompanyPDF18 · 2025
Pricing
All PDF tools are 100% free and unlimited with no paid plans or pricing tiers.
FreeFree
Entire site described as 100% free and unlimited; no paid tiers mentioned.
Unlimited use of all PDF tools, no signup required