Tag: pdf

Hands-on benchmarks for Dynamsoft Barcode Reader Python 11.6.1000: PDFRM_MULTIMODAL cuts PDF barcode decoding from 263 ms to 3 ms on a text-based PDF, breadth-first multi-threaded decoding takes up to 48% less time on dense barcode images, and the new LayoutAnalyzer recovers missed barcodes in dense N×M grid layouts.

Build a browser-based document annotation studio with Dynamsoft Document Viewer v4 and Dynamic Web TWAIN. Append PDFs, images, and scanned pages, annotate, redact, delete pages, and export to PDF or image formats.

Learn how to build a JavaScript web-based document scanner that converts PDFs, DOCX files, and webcam captures to PDF or Word — all locally in the browser using Dynamic Web TWAIN.

Step-by-step C# WinForms TWAIN scanner tutorial. Learn to integrate the Dynamic Web TWAIN REST API for document scanning, capture webcam images with OpenCvSharp, and export to multi-page PDF using PdfSharp — all in a .NET 8 Windows Forms app.

Learn how to embed PDF in HTML using native iframe, embed, and object tags, or JavaScript libraries like Dynamsoft Document Viewer. Compare all methods for cross-browser, mobile-responsive, and annotation-capable PDF embedding.

Learn how to implement JavaScript PDF text search in a web browser viewer using Dynamsoft Document Viewer SDK v3.0, Tesseract.js, and OCR.space to make any scanned PDF fully searchable.

Step-by-step JavaScript web OCR API tutorial for images and PDFs — use Tesseract.js, pdf.js, and jsPDF to convert scanned files into searchable PDFs entirely in the browser.

Learn how to build a Python Tkinter GUI barcode scanner that reads 1D/2D barcodes from multi-page PDF files using the Dynamsoft Capture Vision SDK — includes a CLI reference tool and an AI-generated GUI app with drag-and-drop, annotations, and multi-format export.

Learn how to combine Dynamic Web TWAIN SDK and Dynamsoft Document Viewer to build an Angular web app that supports document scanning, viewing, and annotation.

Step-by-step tutorial on building a Flutter hybrid document scanner app for Android and iOS — embed an HTML5 WebView scanner, capture documents with the camera, and save them as PDF files using Dynamsoft Document Viewer.

Learn how to flatten (burn) PDF annotations in JavaScript using Dynamsoft Document Viewer — with code examples for flattening all annotations or selectively flattening individual ones.

Learn how to encrypt, decrypt, and password protect PDF files entirely client-side in JavaScript using Dynamsoft Document Viewer — with code examples for loading, unlocking, and saving secured PDFs.

Step-by-step tutorial to build a browser-based document scanner with HTML5 and JavaScript — detect edges, crop, rectify, and save documents to PDF using Dynamsoft Capture Vision and Document Viewer.

Learn how to compress images in the browser with JavaScript by adjusting resolution, color depth, JPEG quality, and converting to WebP or PDF formats using Dynamsoft Document Viewer.

Step-by-step tutorial on how to add handwritten electronic signatures to PDF documents using JavaScript, HTML5 Canvas, and Dynamsoft Document Viewer SDK.

Learn how to read DataMatrix barcodes from PDF files using JavaScript. Flatten barcode annotations into raster images with Dynamsoft Document Viewer, then decode DataMatrix, QR Code, and other 1D/2D barcodes in the browser with Dynamsoft Barcode Reader.

Step-by-step tutorial on how to add barcodes to a PDF using JavaScript entirely on the client side. Uses Dynamsoft Document Viewer and bwip-js to generate QR codes, PDF417, and other barcode types as PDF annotations.

Read 1D and 2D barcodes (QR Code, Code 128, EAN-13, DataMatrix, PDF417) from multi-page PDF files in Node.js with Dynamsoft Capture Vision. A single captureMultiPagesAsync() call decodes every page and reports the page number for each barcode.

Learn how to remove noise from scanned documents, apply black-and-white image filters, and repair punch holes using JavaScript inpainting with the Dynamsoft Document Viewer SDK.

Build a PWA document scanner with JavaScript and Dynamsoft Document Viewer SDK. Capture invoices and receipts from a device camera, crop and edit pages, combine into a multi-page PDF, and upload to a Node.js server — no native app install required.

Step-by-step tutorial to build a Vue 3 PDF viewer with annotation support using Dynamsoft Document Viewer. Create, view, and annotate PDFs in the browser.

Step-by-step tutorial to build a React PDF viewer and annotator with TypeScript using Dynamsoft Document Viewer. Create, view, and annotate PDFs in a web app.

Step-by-step tutorial to build a shipping label generator in JavaScript using Dynamsoft Document Viewer and bwip-js. Generate 4×6 labels with QR codes, export to PDF, and print directly from the browser.

Learn how to build a PDF annotation viewer in Blazor WebAssembly using the Dynamsoft Document Viewer SDK. This step-by-step tutorial covers PDF rendering, page annotation, document scanning, and saving PDFs from a camera in a C# Blazor WebAssembly app.

Learn how to add PDF annotations — rectangles, text, stamps, ink, and redaction — to scanned documents using JavaScript and Dynamsoft Document Viewer. Includes code for programmatic annotation, saving, and loading annotated PDFs.

Step-by-step tutorial to build an Angular PDF viewer with annotation tools using Dynamsoft Document Viewer SDK. Load images (PDF, PNG, JPEG, TIFF), draw annotations (rectangles, text, ink, stamps), and export annotated documents as PDF files.

Build a Salesforce Lightning Web Component that merges image attachments into a single PDF using Dynamsoft Document Viewer and an iframe-based WASM approach.

Step-by-step tutorial to merge multiple UIImages into a single PDF on iOS using Swift. Covers photo gallery picking, auto document cropping, color mode selection, and PDF export with Dynamsoft Document Normalizer.

Step-by-step guide to convert PDF pages to JPG images in the browser using HTML5 and JavaScript with Dynamic Web TWAIN. Covers PDF rasterization, configurable DPI, annotation rendering, and encrypted PDF support.

Step-by-step tutorial to build a reusable PDF viewer web component using Stencil.js and Dynamic Web TWAIN. Includes zoom controls, page navigation, thumbnail viewer, fullscreen mode, and document scanning.

Learn how to scan documents and save them as PDF files directly from a web browser using JavaScript and Dynamic Web TWAIN, with page size, compression, and metadata controls.