Scan Documents to PDF
Scan documents with your camera or upload photos, automatically straighten and clean the pages, then combine them into a PDF.
Scan Paper Documents into PDF
Use your phone or webcam camera to capture pages, or drag & drop document photos from your device.
How to Scan a Document to PDF
Turn paper documents into clean PDFs in 4 easy steps right in your browser.
Capture or Upload
Point your phone or webcam camera at the paper document, or upload a photo from your photo gallery.
Adjust Corners
ToolJi automatically detects document edges. Drag the 4 corner handles to align with the paper boundary.
Clean & Enhance
ToolJi straightens perspective tilt. Choose Auto, Document, Black & White, or Grayscale enhancement modes.
Combine & Download
Add more pages if needed, reorder the page thumbnail strip, and download your finished multi-page PDF.
Scan Documents With Your Phone
Open ToolJi on your mobile browser, tap 'Scan with Camera', and allow camera access. Point your rear-facing camera at the paper document and tap Capture. ToolJi displays a live document alignment box and processes the photo instantly without needing an external mobile app download.
Scan Documents Without a Physical Scanner
You don't need expensive flatbed hardware to create clean PDFs. Phone cameras capture high-resolution images, and ToolJi's bilinear perspective warping matrix removes perspective distortion and white-balances background paper shadows.
What Can You Scan with ToolJi?
Are My Scanned Documents Uploaded to Any Server?
No. ToolJi processes all camera streams, edge detection, perspective warping, filters, and PDF generation 100% locally inside your web browser memory. Your documents stay completely private on your device.
Frequently Asked Questions
Everything you need to know about Document Scanning on ToolJi.
How do I scan a document to PDF?
Click 'Scan with Camera' to capture pages with your phone or webcam, or click 'Upload Photo' to select document images. ToolJi automatically detects document edges, lets you adjust the corners, applies document filters, and merges the pages into a downloadable PDF.
Can I scan a document using my phone?
Yes! ToolJi Document Scanner is optimized for mobile phone browsers (Android Chrome, iPhone Safari). It opens your rear-facing camera, displays a live document alignment box, and lets you capture clean PDF scans on the go.
Can I scan multiple pages into one PDF?
Yes! After scanning or uploading page 1, tap '+ Scan Another Page' to capture additional pages. You can review, reorder, or edit individual pages before generating one multi-page PDF.
Can I scan a document without a physical scanner?
Yes! Your smartphone or laptop camera serves as a digital scanner. ToolJi's perspective warping algorithm straightens tilted paper photos and cleans background shadows, making them look like traditional flatbed scanner PDFs.
Does ToolJi automatically crop document edges?
Yes! When a photo is captured or uploaded, ToolJi automatically analyzes contrast and edge gradients to detect the 4 paper corners and outline the document boundary.
Can I manually adjust document corners?
Yes! After capture, an interactive crop screen appears with 4 draggable corner handles so you can manually align the corners if paper edges are subtle.
Can I make a scanned document black and white?
Yes! ToolJi offers multiple document enhancement filters including Auto, Document (high readability), Black & White, Grayscale, and Original color.
Can I scan receipts, notes, and forms?
Yes! ToolJi handles all types of paper paperwork including receipts, business invoices, tax forms, handwritten notes, student assignments, and certificates.
Can I scan documents on a desktop computer?
Yes! You can use your laptop webcam to capture pages directly, upload saved photo files (PNG, JPG, WebP), or paste images directly from your clipboard (Ctrl+V).
Is ToolJi Document Scanner free?
Yes, 100% free with no signups, no page limits, and no watermarks added to exported PDFs.
Are my scanned documents uploaded to any server?
No. ToolJi processes all camera feeds, corner transformations, filter enhancements, and PDF creation 100% locally in your web browser memory using client-side JavaScript. Your documents stay private on your device.
Does ToolJi stop the camera when I finish scanning?
Yes. All MediaStream camera tracks are immediately stopped as soon as you complete or exit the camera view to guarantee privacy and conserve device battery.