Merge Multiple PDF Documents
Combine multiple PDF files into a single organized document in seconds with drag-and-drop reordering.
Choose PDF files or Browse
Select 2 or more PDFs to combine
Professional Invoice & Estimate Creator
Build, calculate, sign, and export clean PDF invoices in seconds. Auto-saved locally in your browser.
1. Business Details
2. Client Information
3. Invoice Metadata
4. Line Items
5. Taxes, Discount & Currency
6. Invoice Theme & Accent Color
7. Digital Signature
Designer QR Code Studio
Generate high-resolution vector QR codes for websites, Wi-Fi networks, WhatsApp chat links, and vCards.
Smart Image Compressor & WebP Converter
Reduce image file sizes up to 90% without visible loss in quality. 100% processed locally on your device.
Drop PNG, JPG, or WebP images here or Browse
Batch compression supported
Sponsored Advertisement
Google AdSense Slot (In-Feed Native Unit) — Clean integration matching page aesthetic.
Popular Free Document Workflows
Fast shortcuts to solve your daily file management and business documentation needs.
Merge PDF Files Online
Combine multiple PDF reports and bank statements with 0 server uploads.
Extract PDF Pages
Separate single or multiple pages from large PDF contracts in seconds.
Rotate PDF Pages
Permanently rotate scanned documents clockwise or upside down.
Watermark PDF Stamp
Add Confidential or Draft stamp on legal documents with custom opacity.
JPG & PNG to PDF
Convert photos, ID cards, and receipts into clean printable PDF books.
Free Invoice Generator
Create freelance and contractor invoices with digital signature pad and tax auto-calc.
Wi-Fi QR Code Generator
Generate printable Wi-Fi join QR codes for cafes, hotels, and offices.
WhatsApp Direct QR Maker
Generate 1-click WhatsApp chat links with pre-filled order messages.
Bulk WebP Converter
Convert PNG & JPG to ultra-fast modern WebP to boost your website speed.
Frequently Asked Questions
Everything you need to know about security, privacy, and browser processing.
No, absolutely never. QuickDocu Pro runs 100% inside your browser using client-side WebAssembly and modern JavaScript APIs. Your documents, signatures, and private records never leave your device.
Yes! Once the page is loaded in your browser, all PDF manipulation, invoice creation, QR rendering, and image compression tools operate completely offline.
Yes, QuickDocu Pro is 100% free for both personal and commercial use with zero file count limits and no forced watermarks on your invoices or QR codes.
You can draw your signature directly on the touchscreen or with your mouse. It is embedded directly as a vector element in the exported PDF, maintaining crisp clarity when printed.