The latest articles on DEV Community by Massimiliano Melis (@massimilianomelis). https://dev.to/massimilianomelis https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F4119193%2Fa633673f-07be-444d-acd7-d16a5b3af6c1.png https://dev.to/massimilianomelis en Massimiliano Melis Thu, 10 Sep 2026 11:21:55 +0000 https://dev.to/massimilianomelis/im-validating-a-private-pdfdocx-comparison-tool-before-building-it-322k https://dev.to/massimilianomelis/im-validating-a-private-pdfdocx-comparison-tool-before-building-it-322k <p>I’m validating a small Windows desktop tool before spending time building it.</p> <p>The idea is called <strong>Redline Local</strong>.</p> <p>It would compare documents entirely on your PC:</p> <ul> <li>PDF ↔ PDF</li> <li>DOCX ↔ DOCX</li> <li>PDF ↔ DOCX</li> <li>side-by-side text differences</li> <li>exportable redline</li> <li>no uploads or cloud processing</li> </ul> <p>The planned price is <strong>€39 one-time</strong>, with no subscription.</p> <p>I’m mainly trying to answer two questions:</p> <ol> <li>Is the value proposition immediately clear?</li> <li>Would local/offline document comparison be useful enough to pay €39 once?</li> </ol> <p>The product does not exist yet — this is deliberately a pre-launch validation test.</p> <p>Landing page:<br><br> <a href="https://redline-local-6eg0ogl13-digitalmax.vercel.app/" rel="noopener noreferrer">https://redline-local-6eg0ogl13-digitalmax.vercel.app/</a></p> <p>Feedback is very welcome, especially from anyone who regularly works with revised contracts, PDFs, Word documents, procurement files, or translation/review workflows.</p> showdev productivity microsoft discuss