Open Source Apps with 'Convert images to PDF' feature

Open-source DTP tool with flexible layouts, typesetting, CMYK support, and interactive PDFs, ideal for creating newspapers and brochures.

NAPS2 is a document scanning application with a focus on simplicity and ease of use.

PDFCreator is a virtual PDF printer that converts any printable document into a PDF file. It works with all Windows applications, including Word, Excel, browsers, and design tools.

Paperless-ngx is a document management system that transforms your physical documents into a searchable online archive so you can keep, well, less paper. Paperless-ngx forked from paperless-ng.

Privacy-first PDF utility (Zero-Server Architecture). Merge, split, compress, and edit PDFs 100% locally on your device. No uploads, no servers, no tracking.

Privacy-first, offline PDF editor for Android. Merge, split, compress, convert and annotate PDFs — 100% on-device, no internet required.

hMailServer is a free e-mail server for Microsoft Windows. Its used by Internet service providers, companies, governments, schools and enthusiasts in all parts of the world.

Effortlessly edit images with batch compression, scaling, cropping, rotation, and format conversion. Convert PDFs to images, create PDFs from images, package images, and more. Explore EXIF data, preview material themes, and pick colors from images.

WatchOCR is an open source OCR server that creates searchable pdfs from images in a watched folder.

This is an "Image to PDF Converter" (open source) software build for Windows which converts image files to PDF(Portable Document Format) files quickly.

Cross-platform command-line tool for creation of PDF documents from scans/photos of pages in JPEG (.jpg) format and the lightest weight ANSI C library to put multiple JPEG files into one PDF file. You can add handwritten comments to PDF scans (over original images) with xournal:...

Cross-platform Python tool to download Google Books preview pages as PNG images and combine them into PDFs, with modern compatibility fixes and CLI interface.

Blitline is the most affordable SaaS solution for software and media companies that have a content or digital asset management system and need secure image and media processing at scale for their applications, platforms, and websites.