Work your way
Whether you are signing contracts on a widescreen monitor, scanning marksheets from your phone camera, or calibrating portal uploads—PDFnology adapts to your workflow.
Full-screen desktop studio
Sign, edit text, highlight, stamp, and organize multi-page PDFs inside a distraction-free 100% full-screen browser workspace with zero cloud uploads.
On-the-go mobile & camera scan
Capture documents straight from your phone camera on Android or iPhone, apply Magic White cleanup filters, and save crisp A4 PDFs anywhere.
Built for portals & business
Hit exact 50KB, 100KB, or 200KB portal limits automatically with multi-pass calibration while keeping confidential business files 100% on-device.
Document scanning & image conversion made simple
Turn smartphone camera photos, multi-page receipts, marksheets, and Aadhaar/ID cards into clean, print-ready A4 PDFs—or extract razor-sharp 600-DPI JPG slides from any PDF with exact KB size control.
The PDF software engineered for speed & total privacy
PDFnology (pdf.dealnology.com) is your #1 browser-first web app for compressing, merging, converting, signing, and editing PDFs effortlessly—keeping 100% of your sensitive documents safe on your own device.
Popular PDF Guides & Tutorials
How to Compress PDF Files Without Losing Quality
Discover why PDF files get bloated and how choosing the right DPI (150 DPI vs 72 DPI) lets you shrink a 10 MB PDF down to 200 KB while keeping every word razor-sharp.
Read Full Guide → Exam & Portal Guide • 5 min readHow to Reduce PDF Size for Online Forms (50KB, 100KB, 200KB Guide)
Step-by-step instructions to prepare your scanned marksheets, Aadhaar card, and certificates so online application portals accept them on the first try.
Read Full Guide → Organize PDF Guide • 3 min readHow to Combine Multiple PDF Files on Mobile & PC for Free
Combine separate semester marksheets, invoices, or front-and-back ID scans into one unified PDF on any phone or computer without downloading heavy apps.
Read Full Guide →Frequently Asked Questions (FAQs)
1. What is PDFnology (pdf.dealnology.com) and is it 100% free?
PDFnology (online at https://pdf.dealnology.com) is an all-in-one, 100% free online PDF toolkit with 39+ tools to compress PDF to exact KB sizes (50KB, 100KB, 150KB, 200KB, 300KB, 500KB), merge PDF, split PDF, convert PDF to Word/Excel/PowerPoint/JPG, sign PDF, and edit PDFs—with zero sign-up, no daily limits, and no watermarks.
2. Are my private PDF files uploaded to a server on PDFnology?
No. PDFnology uses modern client-side WebAssembly and HTML5 Canvas processing (powered by pdf-lib, PDF.js, Mammoth, SheetJS, and Tesseract OCR). Your confidential documents—including Aadhaar cards, PAN cards, bank statements, and legal contracts—are processed 100% locally inside your own browser and never leave your device.
3. How can I compress a PDF to 200KB or 100KB online without losing quality?
Open the PDFnology Compress PDF tool (or the dedicated Compress PDF to 200KB / Compress PDF to 100KB page), select your PDF, and click the "Under 200 KB" or "Under 100 KB" preset button. Our multi-pass calibration engine optimizes DPI and chroma automatically so your PDF lands strictly under your KB limit while keeping text and stamps razor-sharp.
4. Can I convert PDF to Word, Excel, PowerPoint, or JPG without changing the format?
Yes. PDFnology includes dedicated converters for PDF to Word (editable DOCX + free OCR), Word to PDF, PDF to Excel (XLSX table extraction), Excel to PDF (fit on one page / landscape), PowerPoint to PDF, PDF to PowerPoint, JPG to PDF (with 100KB limit mode), and PDF to JPG (up to 600 DPI HD quality).
5. Does PDFnology work on mobile phones and support multiple languages?
Yes. All 39+ tools on PDFnology support 8 languages (English, Hindi, Spanish, French, German, Portuguese, Indonesian, and Arabic) and work seamlessly inside mobile browsers on Android, iPhone, iPad, Windows, Mac, and Linux without installing any app.
Explore Complete PDFnology Tool Directory, Architecture Comparison & Portal KB Guide (All 39+ Tools)
What is PDFnology (pdf.dealnology.com)? – The #1 Free Browser-First Online PDF Toolkit
PDFnology (officially hosted at pdf.dealnology.com by Dealnology) is a 100% free, zero-upload online PDF suite offering 39+ professional PDF tools in 8 languages. Whether you need to compress PDF to 200KB without losing quality, resize a PDF to 100KB for government or exam portals, merge PDF files online free, split PDF pages, convert PDF to Word editable DOCX, or sign PDF online free, PDFnology processes your documents 100% locally inside your browser using WebAssembly and HTML5 Canvas—with no account registration, no email requirement, and zero watermarks.
Why Users Prefer PDFnology Over Traditional Cloud PDF Sites
| Feature / Security Factor | PDF.dealnology.com (PDFnology) | Traditional Cloud PDF Websites |
|---|---|---|
| File Privacy & Security | 100% Local Browser Processing (Files never leave your device) | Uploaded to remote cloud servers |
| Exact KB Size Calibration (50KB / 100KB / 200KB) | Built-in Binary-Search Target KB Compressor for Exam & Govt Forms | Generic Low / Medium / High sliders only |
| Daily Usage Limits & Compulsory Signups | Unlimited Free Tasks • Zero Registration Required | 2 free tasks per day or forced email/card signup |
| Upload & Download Wait Time | Instant (0-second upload time even on slow mobile networks) | Slow upload & download queues on large PDFs |
All Free Online PDF Tools on PDFnology by Search Intent
- Compress PDF to Exact KB Size Without Losing Quality: Compress PDF Online Free • Compress PDF to 200KB • Compress PDF to 100KB • Compress PDF to 150KB • Compress PDF to 300KB • Compress PDF to 500KB • Compress PDF to 50KB • Compress PDF to 1MB
- Organize, Combine & Split PDF Documents: Merge PDF Online Free • Split PDF Online Without Email • Remove Pages from PDF • Extract Pages from PDF • Organize & Reorder PDF Pages • Scan to PDF Document Scanner • Merge Aadhaar Card Front & Back PDF
- Convert Office Documents & Images to PDF: Word to PDF Converter Without Changing Format • Excel to PDF Converter (Fit One Page / Landscape) • PowerPoint to PDF Converter Free • JPG to PDF Converter Online Free • JPG to PDF Under 100KB • HTML to PDF Converter
- Convert from PDF to Editable Word, Excel, PPT & HD Images: PDF to Word Converter Free Without Changing Format • PDF to Excel Converter Online Free Without Email • PDF to PowerPoint Converter Free No Limit • PDF to JPG Converter (600 DPI & KB Limit) • PDF to PDF/A Converter • OCR PDF to Editable Word • PDF to Text Extractor
- Edit, Sign, Repair & Secure PDF Files: Edit PDF Text & Annotate Online Free • Sign PDF Online Free (Digital Signature Studio) • Rotate PDF Pages Permanently • Crop PDF Margins Online • Add Page Numbers to PDF • Add Watermark to PDF • Redact PDF Confidential Text • Unlock PDF Password • Protect PDF from Editing • Repair Corrupted PDF