Dynamic Web TWAIN vs Epson Scan 2

Dynamic Web TWAIN is a browser-based document-scanning SDK for web applications that control scanners using TWAIN, WIA, ICA, SANE, and eSCL. Scanning runs locally through the Dynamsoft Web TWAIN Service, and document data is not sent to Dynamsoft servers. Scanned pages can be exported as PDF, TIFF, JPEG, PNG, or BMP, including multi-page PDF and TIFF files. The built-in viewer and editor provide annotation, zoom, deskew, and rotation. Disk caching supports unlimited pages per session, and a 64-bit service mode is available for large data. Supported client systems include Windows 7 or later, macOS 10.15 or later, and Linux distributions for x64, ARM64, or MIPS. Listed browsers include Chrome, Firefox, and Edge on Windows and Linux, and Safari on macOS. The SDK works with React, Vue, Angular, JavaScript, and TypeScript, with server-side compatibility for Node.js, PHP, ASP.NET, Java, and Python. A 30-day trial gives full SDK access without feature restrictions and requires no credit card. Pricing is available on request; there is no free plan. PDF Rasterizer, Barcode Reader, OCR, and Webcam add-ons are licensed separately.

Epson Scan 2 is scanning software for Epson scanners and multifunction printers, with a graphical interface for scanner settings and saving scans in different file types. It supports USB connections and network scanning for compatible scanners. On Linux, network scanning requires installation of a plug-in package. Scans can also be started from the command line using a settings file, without opening the main window. Available image adjustments include background removal, text enhancement, color adjustment, descreening, color restoration, backlight correction, and skew correction. The Linux manual documents JPEG, PDF, TIFF, and Multi-TIFF output options. For OCR workflows, Auto Area Segmentation separates text from graphics, while Threshold can help OCR programs recognize text. Epson lists versions for Windows, macOS, and Linux, but supported operating systems and settings depend on the scanner model. Epson's Linux manual says the software has no official support and is distributed without warranty. Epson Scan 2 is free, but requires an Epson scanner or multifunction printer.