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Product Updates·6 min read

Faster Scanning: Live Scanner Update + Tips for Perfect Document Photos

We've all been there: you get a receipt, want to scan it quickly with your phone — and the app takes forever to actually take the photo. That's exactly the problem we fixed with the latest update. The DocNado Live Scanner now responds in near real time. In this article, you'll learn what changed — and how to get even better scan results with a few simple tricks.

What's New: Instant Capture in Live Scan

The Live Scanner is the heart of DocNado: it opens your phone camera, automatically detects the edges of your document, and crops the image to fit. Until now, there was a bottleneck — the AI edge detection and the actual photo capture were competing for processing power.

Here's what that means: As soon as you tap the shutter, the edge detection pauses for a fraction of a second. All processing power goes into capturing the photo — and the shot is taken in an instant. No waiting, no repeated tapping, no delay.

This makes the biggest difference in situations where speed matters: at the checkout, with the delivery driver, at a restaurant, or when processing a stack of receipts at the office.

Getting the Most Out of the Live Scanner

The Live Scanner works best when it can clearly distinguish the document from its background. Here are the settings that make the biggest difference:

Lighting

Good lighting is the most important factor for a sharp, readable scan:

  • Daylight is ideal — stand near a window or scan outdoors
  • Even illumination — avoid harsh shadows on the document
  • Indirect light — no direct lamp above the document, which causes reflections
  • Use the flashlight only when needed — in low light, it works better than the camera flash because it illuminates more evenly

Background

For reliable edge detection:

  • Dark, solid surface — black or dark grey works best
  • No patterns — checkered tablecloths or wood grain confuse the detection
  • Contrast with the paper — a white document on a white table is hard to detect

Distance and Angle

  • 30 to 50 cm distance — close enough for good resolution, far enough for a clean perspective
  • Parallel to the document — hold your phone as straight as possible above the receipt
  • Use the spirit level — DocNado shows an integrated spirit level so your document doesn't come out crooked

Scanning Multiple Pages Efficiently

When scanning several receipts in a row:

  1. Scan the first page with the Live Scanner
  2. Confirm the crop
  3. Tap "Scan another page"
  4. Repeat the process
  5. Save all pages together as one document at the end

This way you can process a whole stack of invoices in one session — without stopping in between.

Common Problems and Solutions

The Scan Is Blurry

The cause is usually movement during capture. Hold the phone firmly with both hands and wait until the green frame is stable — this means the document has been detected and the camera has focused. A brief moment of stillness is usually enough.

Edges Are Not Detected

If the frame doesn't appear, it's almost always the background. Place the document on a dark, solid surface and make sure all four corners are in the frame. For very small receipts, it helps to show a bit more background.

Glare or Reflections

Laminated documents or glossy paper reflect light. Turn off the flashlight and avoid direct light sources above the document. If possible, scan in diffused daylight.

The Live Scanner in Your Workflow

The Live Scanner is just the first step in the DocNado workflow:

  1. Scan — photograph the document with automatic edge detection
  2. Optimize — automatic cropping and contrast enhancement
  3. Analyze — the AI detects amounts, dates, vendors and categories
  4. Store — encrypted, searchable, available anytime

Each step takes only seconds — and with the new update, the wait in the first step is completely eliminated.

Conclusion

A fast scanner is the foundation of good document management. With the latest update, the DocNado Live Scanner responds instantly to every tap — and with the right scanning habits (good light, dark background, steady hand), you'll get a perfect result every time.

👉 Try it free — 30 pages on us

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