Convert Hau is your free, fast, and secure file converter and compressor. Image and archive tasks run in your browser; PDF and DOCX conversions use the local server's LibreOffice renderer.
Convert Hau is a powerful, privacy-first file conversion platform designed to make file format conversion simple and secure. We understand that dealing with multiple file formats can be frustrating. Whether you're a professional managing documents, a designer working with images, or someone who simply needs to convert files for a project, Convert Hau provides a straightforward solution with zero hassle.
Our platform avoids cloud storage and processes files locally through the browser and the local conversion server. Document conversion files are handled only for the duration of the requested conversion.
Convert Hau supports a wide range of popular file formats across multiple categories:
Document Formats: PDF, DOCX (Microsoft Word), and text files. Convert your PDFs to editable Word documents or transform Word files into PDFs for easy sharing and archiving.
Image Formats: PNG, JPG/JPEG, WebP, and GIF. Convert between image formats with customizable quality settings to optimize file size without sacrificing visual quality.
Special Conversions: Convert images to PDF for document creation, convert documents to base64 for embedding in web applications, and more. Our flexible conversion system supports numerous combinations to meet your needs.
Privacy Benefits: Browser tasks stay on your device, while PDF and DOCX files are sent only to the local server running the conversion engine. Files are temporary and are not stored after conversion.
Speed: No uploading to servers, no waiting in queues. Your conversions are processed instantly on your machine, making Convert Hau one of the fastest file conversion tools available.
Batch Processing: Need to convert multiple files? Convert Hau supports bulk conversions, saving you time and effort. Convert dozens of files in one session.
Free & No Registration: Convert Hau is completely free. No hidden costs, no premium tiers for basic functionality, and no account creation required. Just upload your files and convert.
Convert Hau uses industry-standard libraries and web technologies to perform conversions:
Image Conversions: We leverage Canvas APIs and image encoding libraries to convert between PNG, JPG, WebP, and GIF formats. The process includes quality optimization to ensure you get the best output with minimal file size.
PDF Processing: PDF conversions are handled by PDF.js, a robust library that properly handles complex PDF structures. Whether converting PDFs to DOCX or images to PDF, we ensure high-quality output.
Document Conversion: DOCX files are processed using industry-standard XML parsing, preserving formatting, text, and structure. PDF to DOCX conversion intelligently reconstructs documents while maintaining readability.
Local Processing: Image and archive tasks run in the browser. PDF and DOCX tasks use LibreOffice through the local Python server so document structure, formatting, tables, images, and pagination can be rendered by a mature office engine.
Using Convert Hau is incredibly simple: Click the "Converter" link above or drag and drop your file into the converter area. Select your desired output format from the dropdown menu. Click the "Convert" button and watch your file transform instantly. Download the converted file or continue with more conversions. It's that easy!
For detailed guides on specific conversions, check out our Blog section where we cover topics like "How to Convert JPG to PDF," "PNG vs JPG: Which Format Should You Use?", and much more.
Drop files in, choose an output format, and convert without leaving the page.
Reduce file sizes for PDFs, JPG, PNG, and WebP images, or compress multiple files into high-ratio ZIP archives with zero quality loss.
Learn everything about file conversion with our comprehensive guides.
Converting JPG images to PDF format is one of the most common file conversion tasks. Whether you're digitizing photos, creating documents from scanned images, or preparing files for archival, converting JPG to PDF is straightforward with Convert Hau. In this guide, we'll walk you through the process and explain why PDF is often the preferred format for document distribution.
PDF (Portable Document Format) is the gold standard for document sharing because it preserves formatting and appearance across all devices and operating systems. When you convert a JPG to PDF, you're creating a universal document that anyone can view without worrying about compatibility issues.
Step-by-step conversion: Open Convert Hau and drag your JPG file into the conversion area. Select "PDF" from the format dropdown. Click convert and download your PDF. That's it!
Understanding the differences between PNG and JPG is essential for anyone working with digital images. Both formats are widely used, but they serve different purposes and have distinct advantages and disadvantages. This guide will help you choose the right format for your needs.
PNG (Portable Network Graphics): PNG is a lossless compression format, meaning no image data is discarded during compression. PNG files are ideal for images with text, sharp lines, and graphics where quality is paramount. PNG supports transparency, making it perfect for web design and graphics that need to overlay other content.
JPG (Joint Photographic Experts Group): JPG uses lossy compression, which means some image data is removed to reduce file size. JPG is ideal for photographs and images with many colors and gradients. It offers excellent compression ratios, meaning smaller file sizes without a major quality loss when set to high quality settings.
When to use PNG: Logos, graphics, screenshots, images with text, images requiring transparency. When to use JPG: Photographs, digital art, complex images with gradients, images for web where file size matters.
WebP is a modern image format developed by Google that offers superior compression compared to traditional formats like JPG and PNG. If you're looking to optimize images for web use, WebP is worth understanding. This guide covers everything you need to know about WebP and when to use it.
What is WebP? WebP is a modern image format that combines the best features of both PNG and JPG. It supports both lossy and lossless compression, meaning you can choose the compression method that best suits your image. WebP files are significantly smaller than equivalent PNG or JPG files, making it ideal for web optimization.
Benefits of WebP: Smaller file sizes (25-35% reduction compared to JPG), supports transparency like PNG, supports animation like GIF, superior compression quality at lower file sizes.
When to use WebP: Modern websites wanting faster load times, mobile-first projects, optimized image galleries, responsive web design where bandwidth matters.
Converting PDF files to DOCX (Microsoft Word) format is essential when you need to edit PDF content. Many PDFs are received as read-only documents, but sometimes you need to modify them. This guide explains the PDF to DOCX conversion process and what to expect.
Why convert PDF to DOCX? PDFs are designed for reading and distribution, but editing them can be challenging. By converting to DOCX, you get an editable document that opens in Microsoft Word and other compatible applications. This is ideal for collaborative editing, updating documents, and repurposing content.
How conversion works: PDF and DOCX conversion uses LibreOffice document filters rather than extracting text or taking browser screenshots. PDF is fixed-layout, so complex positioned objects and scanned pages may still require manual review.
Best results: PDF to DOCX conversion works best with text-based PDFs created from digital documents. Scanned PDFs or PDFs with complex layouts may require additional manual formatting after conversion.
Choosing the right file format for your documents is crucial for compatibility, archival, and sharing. Different formats serve different purposes, and understanding these differences will help you make better choices. This comprehensive guide covers the most common document formats and when to use each one.
PDF (Portable Document Format): Best for: Distribution, archival, read-only documents. PDFs preserve formatting perfectly across all devices. They're ideal for formal documents, contracts, and anything that needs to look identical everywhere.
DOCX (Microsoft Word): Best for: Editable documents, collaboration, general word processing. DOCX files are the standard for office documents and offer robust editing capabilities.
TXT (Plain Text): Best for: Code, configuration files, universal compatibility. Text files work everywhere but lack formatting options.
Recommendation: For most professional use, maintain documents in DOCX for collaboration and convert to PDF when ready for distribution or archival.
Convert Hau was created with a simple mission: to provide a fast, secure, and free file conversion tool that respects user privacy. We believe that file conversion should be straightforward, and your data should always remain in your control.
The idea for Convert Hau came from frustration with existing file conversion services. Most require uploading files to external servers, create accounts, display excessive ads, and raise privacy concerns. We decided to build something different—a tool that keeps files on your device and provides fast, hassle-free conversion.
Using modern web technologies, Convert Hau performs all conversions directly in your browser. This approach ensures maximum privacy, blazing-fast performance, and zero server overhead for users.
Privacy First: We don't upload, store, or analyze your files. Everything stays on your device.
Free & Open: Convert Hau is completely free with no hidden costs, premium features, or registration requirements.
Fast & Reliable: Local browser processing handles media quickly, and LibreOffice provides mature document rendering for PDF and DOCX.
User-Centric: We prioritize user experience and continuously improve based on feedback.
Convert Hau is built on cutting-edge web technologies including:
LibreOffice for PDF/DOCX document conversion, PDF.js for browser PDF previews and image export, JSZip for archives, Mammoth.js for optional DOCX-to-HTML export, Canvas API for image conversion, and modern JavaScript/HTML5 standards.
Have questions or suggestions? We'd love to hear from you. Visit our Contact page to get in touch with our team.
Have a question, suggestion, or bug report? We'd love to hear from you. Convert Hau is built for users, and your feedback helps us improve.
Email: Convert Hau38@gmail.com
Response Time: We aim to respond to all inquiries within 24-48 hours during business days.
Feature Requests: Missing a file format? Suggest new conversion types or features that would help you.
Bug Reports: Encountered an issue? Let us know details about the problem, which files you were converting, and what error you received.
General Feedback: Tell us what you think about Convert Hau. Your feedback drives our development priorities.
Partnership Inquiries: Interested in collaborating or integrating Convert Hau into your service? Let's talk.
Q: Is Convert Hau really free? A: Yes, completely free. No premium tiers, no hidden costs.
Q: Do you store my files? A: No. Browser conversions stay local, and document conversions use temporary server files that are removed after the response.
Q: What file sizes can I convert? A: File size limits depend on your device's available memory. Most devices can handle files up to several hundred MB.
Q: Do you support [format]? A: Check our main page for supported formats. If you need a specific format, contact us to request it.
Last Updated: May 2026
Convert Hau is committed to protecting your privacy. This Privacy Policy explains how we handle information when you use our website and file conversion service.
Convert Hau processes browser-supported media locally and uses a local server for PDF/DOCX rendering. We do NOT:
Upload your files to our servers, store your files on our systems, analyze or inspect your file contents, track what files you convert, or create records of your conversion history.
PDF and DOCX files are sent to the local conversion server only while a conversion is running and are not retained afterward.
We may automatically collect limited non-personal information:
Website usage statistics (pages visited, time spent), browser type and operating system, general location data (country/region level only), which ads are displayed (for ad network partners).
This information is collected through standard web analytics and helps us understand how users interact with our site.
Convert Hau uses minimal cookies. We may set cookies for:
User preferences and settings, analytics tracking, ad network cookies (Google AdSense).
You can disable cookies in your browser settings. This may limit some functionality but does not affect file conversion.
Google AdSense: We display ads through Google AdSense. Google may collect data about your browsing behavior. See Google's Privacy Policy.
Analytics: We may use analytics services to understand site usage. These services collect anonymous usage data.
You have the right to access, correct, or delete any personal information we hold about you. Since we collect minimal data and store no file information, there's typically little to delete. Contact us if you have privacy concerns.
Since all processing happens in your browser, your files never face transmission or storage risks. Our website uses HTTPS encryption for all communications.
Convert Hau does not knowingly collect information from children under 13. If we become aware of such collection, we will take immediate steps to delete such information.
We may update this Privacy Policy occasionally. Significant changes will be announced on our website. Continued use of Convert Hau constitutes acceptance of our Privacy Policy.
If you have privacy concerns or questions, please contact us at: privacy@converthau.io
Last Updated: May 2026
By accessing and using Convert Hau, you accept and agree to be bound by the terms and provision of this agreement. If you do not agree to abide by the above, please do not use this service.
Permission is granted to temporarily download one copy of the materials (information or software) on Convert Hau's website for personal, non-commercial transitory viewing only. This is the grant of a license, not a transfer of title, and under this license you may not:
Modify or copy the materials, use the materials for any commercial purpose or for any public display, attempt to decompile or reverse engineer any software contained on the website, remove any copyright or other proprietary notations from the materials, transferring the materials to another person or "mirror" the materials on any other server.
The materials on Convert Hau's website are provided on an 'as is' basis. Convert Hau makes no warranties, expressed or implied, and hereby disclaims and negates all other warranties including, without limitation, implied warranties or conditions of merchantability, fitness for a particular purpose, or non-infringement of intellectual property or other violation of rights.
In no event shall Convert Hau or its suppliers be liable for any damages (including, without limitation, damages for loss of data or profit, or due to business interruption) arising out of the use or inability to use the materials on Convert Hau's website.
The materials appearing on Convert Hau's website could include technical, typographical, or photographic errors. Convert Hau does not warrant that any of the materials on the website are accurate, complete, or current. Convert Hau may make changes to the materials contained on its website at any time without notice.
Convert Hau has not reviewed all of the sites linked to its website and is not responsible for the contents of any such linked site. The inclusion of any link does not imply endorsement by Convert Hau of the site. Use of any such linked website is at the user's own risk.
Convert Hau may revise these terms of service for the website at any time without notice. By using this website, you are agreeing to be bound by the then current version of these terms of service.
These terms and conditions are governed by and construed in accordance with the laws of the jurisdiction in which Convert Hau operates, and you irrevocably submit to the exclusive jurisdiction of the courts in that location.
You agree that any information or content you provide to Convert Hau through bug reports, feedback, or feature requests may be used by Convert Hau to improve the service. We do not claim ownership of such feedback, but we have the right to use it freely.
You agree not to use Convert Hau to convert files that:
Violate laws or regulations, infringe on intellectual property rights, contain malware or harmful code, are obscene, defamatory, or illegal.
If you have questions about these Terms & Conditions, please contact us at: legal@converthau.io