PDF Compare is a free browser-based tool for comparing two PDFs with usable text layers. It reports Added, Removed, and Changed text with page references, which is useful for checking revised contracts, reports, policies, and other document versions. Each PDF can be up to 20 MB and 200 pages. It does not run OCR and is not a visual or pixel-by-pixel comparison tool.
A step-by-step course to build a production-ready AI SaaS. Includes an LLM-aggregator chat, Mermaid diagram generator with paid SVG export, subscription billing via YooKassa, and full deployment to Render and GitHub Pages with AMP Web Stories.
Neira is a cinematic story about AI. Start with teasers, then read the chapters on the website with music and scenes. The Rubicon timer switches to the live-action sequel. Original illustrations and AI. Automatic translation in the browser works well.
