--- title: "#file-formats articles | Hashnode" description: "Explore 52 articles tagged #file-formats on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/file-formats" --- Tag # #file-formats 52 posts · 1 followers [Syncfusion, Inc.](https://hashnode.com/@Syncfusion-blogs) · [4d ago](https://hashnode.com/posts/how-to-validate-pdf-digital-signatures-in-javascript-with-timestamps-and-long-term-validation-ltv/6af1d057902c275fe1bfd6c1) ### [How to Validate PDF Digital Signatures in JavaScript with Timestamps and Long-Term Validation (LTV)](https://syncfusion-blogs.hashnode.dev/how-to-validate-pdf-digital-signatures-in-javascript-with-timestamps-and-long-term-validation-ltv?utm_source=hashnode&utm_medium=feed) Learn to sign PDFs, add trusted timestamps, enable LTV, and validate signatures with the Syncfusion JavaScript PDF Library. 14 min read · [syncfusion-blogs.hashnode.dev](https://syncfusion-blogs.hashnode.dev/how-to-validate-pdf-digital-signatures-in-javascript-with-timestamps-and-long-term-validation-ltv?utm_source=hashnode&utm_medium=feed) [Syncfusion, Inc.](https://hashnode.com/@Syncfusion-blogs) · [Oct 9](https://hashnode.com/posts/struggling-with-complex-document-tasks-explore-syncfusion-essential-studio-2026-volume-3/6ac8abee26884f2495d534ae) ### [Struggling with Complex Document Tasks? Explore Syncfusion Essential Studio 2026 Volume 3](https://syncfusion-blogs.hashnode.dev/struggling-with-complex-document-tasks-explore-syncfusion-essential-studio-2026-volume-3?utm_source=hashnode&utm_medium=feed) TL;DR: Building collaboration, review, and automation into document solutions can require significant custom development. Syncfusion Essential Studio 2026 Volume 3 adds real-time collaboration, PDF co 15 min read · [syncfusion-blogs.hashnode.dev](https://syncfusion-blogs.hashnode.dev/struggling-with-complex-document-tasks-explore-syncfusion-essential-studio-2026-volume-3?utm_source=hashnode&utm_medium=feed) [Syncfusion, Inc.](https://hashnode.com/@Syncfusion-blogs) · [Oct 7](https://hashnode.com/posts/build-vs-buy-a-pdf-viewer-the-real-cost-of-in-house-development/6ac5e0acd3cc650236769290) ### [Build vs. Buy a PDF Viewer: The Real Cost of In-House Development](https://syncfusion-blogs.hashnode.dev/build-vs-buy-a-pdf-viewer-the-real-cost-of-in-house-development?utm_source=hashnode&utm_medium=feed) Learn the real cost of building a PDF viewer, from rendering and performance to compatibility, and decide whether to build or buy. 20 min read · [syncfusion-blogs.hashnode.dev](https://syncfusion-blogs.hashnode.dev/build-vs-buy-a-pdf-viewer-the-real-cost-of-in-house-development?utm_source=hashnode&utm_medium=feed) [Syncfusion, Inc.](https://hashnode.com/@Syncfusion-blogs) · [Sep 23](https://hashnode.com/posts/sneak-peek-4-new-libraries-coming-to-syncfusion-document-sdk-2026-volume-3/6ab36928185404bca6a72d69) ### [Sneak Peek: 4 New Libraries Coming to Syncfusion Document SDK 2026 Volume 3](https://syncfusion-blogs.hashnode.dev/sneak-peek-4-new-libraries-coming-to-syncfusion-document-sdk-2026-volume-3?utm_source=hashnode&utm_medium=feed) Explore four new libraries coming to Syncfusion Document SDK 2026 Volume 3 for JavaScript Office automation and AI-ready document solutions. 12 min read · [syncfusion-blogs.hashnode.dev](https://syncfusion-blogs.hashnode.dev/sneak-peek-4-new-libraries-coming-to-syncfusion-document-sdk-2026-volume-3?utm_source=hashnode&utm_medium=feed) [Syncfusion, Inc.](https://hashnode.com/@Syncfusion-blogs) · [Aug 27](https://hashnode.com/posts/syncfusion-word-library-vs-aspose-words-which-net-word-library-is-better-for-your-application/6a9000dd9535ceca8d5d264e) ### [Syncfusion Word Library vs. Aspose.Words: Which .NET Word Library Is Better for Your Application?](https://syncfusion-blogs.hashnode.dev/syncfusion-word-library-vs-aspose-words-which-net-word-library-is-better-for-your-application?utm_source=hashnode&utm_medium=feed) Compare Syncfusion Word Library and Aspose.Words for .NET on performance, mail merge, conversion, and automation. 9 min read · [syncfusion-blogs.hashnode.dev](https://syncfusion-blogs.hashnode.dev/syncfusion-word-library-vs-aspose-words-which-net-word-library-is-better-for-your-application?utm_source=hashnode&utm_medium=feed) [Syncfusion, Inc.](https://hashnode.com/@Syncfusion-blogs) · [Jun 18](https://hashnode.com/posts/how-to-convert-docx-to-html-in-c-without-breaking-formatting/6a33cd0ec35ddcb2c17fe246) ### [How to Convert DOCX to HTML in C# Without Breaking Formatting](https://syncfusion-blogs.hashnode.dev/how-to-convert-docx-to-html-in-c-without-breaking-formatting?utm_source=hashnode&utm_medium=feed) Convert DOCX to responsive HTML in .NET with DocIO—preserve formatting, cut markup, and deliver fast, scalable web-ready UX. 10 min read · [syncfusion-blogs.hashnode.dev](https://syncfusion-blogs.hashnode.dev/how-to-convert-docx-to-html-in-c-without-breaking-formatting?utm_source=hashnode&utm_medium=feed) [Syncfusion, Inc.](https://hashnode.com/@Syncfusion-blogs) · [Apr 21](https://hashnode.com/posts/from-static-pdfs-to-interactive-documents-create-qr-codes-in-c/69e7492984846b95c5426c50) ### [From Static PDFs to Interactive Documents: Create QR Codes in C#](https://syncfusion-blogs.hashnode.dev/from-static-pdfs-to-interactive-documents-create-qr-codes-in-c?utm_source=hashnode&utm_medium=feed) Create QR codes in PDFs using C# with Syncfusion .NET PDF Library. Learn QR generation, error correction, branding, PDF updates, and image export. 11 min read · [syncfusion-blogs.hashnode.dev](https://syncfusion-blogs.hashnode.dev/from-static-pdfs-to-interactive-documents-create-qr-codes-in-c?utm_source=hashnode&utm_medium=feed) [Syncfusion, Inc.](https://hashnode.com/@Syncfusion-blogs) · [Apr 16](https://hashnode.com/posts/how-to-convert-markdown-to-html-in-c-using-a-net-word-library/69e0a084048ecf1fc392c2b6) ### [How to Convert Markdown to HTML in C# Using a .NET Word Library](https://syncfusion-blogs.hashnode.dev/how-to-convert-markdown-to-html-in-c-using-a-net-word-library?utm_source=hashnode&utm_medium=feed) Convert Markdown to HTML in C# using Syncfusion .NET Word Library. Follow step-by-step code and customize images from files, URLs, or base64. 7 min read · [syncfusion-blogs.hashnode.dev](https://syncfusion-blogs.hashnode.dev/how-to-convert-markdown-to-html-in-c-using-a-net-word-library?utm_source=hashnode&utm_medium=feed) [Syncfusion, Inc.](https://hashnode.com/@Syncfusion-blogs) · [Apr 15](https://hashnode.com/posts/tired-of-multiple-viewers-build-a-universal-document-viewer-in-net-maui/69df89b070e165e0d8a6772f) ### [Tired of Multiple Viewers? Build a Universal Document Viewer in .NET MAUI](https://syncfusion-blogs.hashnode.dev/tired-of-multiple-viewers-build-a-universal-document-viewer-in-net-maui?utm_source=hashnode&utm_medium=feed) Build a universal .NET MAUI document viewer by converting Word, Excel, PowerPoint, images, and XPS to PDF, one viewer, better UX, scalable apps. 10 min read · [syncfusion-blogs.hashnode.dev](https://syncfusion-blogs.hashnode.dev/tired-of-multiple-viewers-build-a-universal-document-viewer-in-net-maui?utm_source=hashnode&utm_medium=feed) [Syncfusion, Inc.](https://hashnode.com/@Syncfusion-blogs) · [Apr 14](https://hashnode.com/posts/add-digital-signatures-to-a-wpf-pdf-viewer-with-a-click-to-place-esign-workflow/69de12df345b86c2e0230f12) ### [Add Digital Signatures to a WPF PDF Viewer with a Click-to-Place eSign Workflow](https://syncfusion-blogs.hashnode.dev/add-digital-signatures-to-a-wpf-pdf-viewer-with-a-click-to-place-esign-workflow?utm_source=hashnode&utm_medium=feed) Syncfusion WPF PDF Viewer can’t create digital signatures, so how do you enable secure in app signing anyway? Discover a custom, programmatic eSign wo 7 min read · [syncfusion-blogs.hashnode.dev](https://syncfusion-blogs.hashnode.dev/add-digital-signatures-to-a-wpf-pdf-viewer-with-a-click-to-place-esign-workflow?utm_source=hashnode&utm_medium=feed)