Frequently asked questions

WoowPDF is a free online platform offering comprehensive PDF tools and document conversion services. We provide 60+ professional tools including PDF converters, editors, compressors, and more - all accessible directly from your browser without any software installation. Our mission is to make PDF management simple, fast, and accessible to everyone.

Yes! WoowPDF is 100% free with no hidden costs. All our tools are available 24/7 without any subscription fees, credit card requirements, or usage limits. You can convert, edit, compress, and manage PDFs as many times as you need - completely free of charge. We believe everyone should have access to professional PDF tools.

No registration is required! You can use all our tools immediately without creating an account. Simply visit our website, select your tool, upload your file, and start working. We designed WoowPDF to be hassle-free - no sign-ups, no email verification, no passwords to remember.

There are no daily limits! You can convert as many files as you need, whenever you need them. Unlike other services that restrict free users to 2-3 conversions per day, WoowPDF offers unlimited conversions 24/7. Process hundreds of files if needed - we never charge or limit your usage.

WoowPDF stands out with truly unlimited free access, no registration requirements, fast processing speeds, bank-level security, and 60+ professional tools. We process over 500 million files annually and maintain a 4.8/5 user satisfaction rating. Our advanced AI technology ensures high-quality conversions while keeping everything simple and user-friendly.

We offer comprehensive conversion tools: PDF to Word (DOCX), PDF to Excel (XLSX), PDF to PowerPoint (PPTX), PDF to Images (JPG/PNG), PDF to HTML, PDF to Text, and the reverse conversions - Word to PDF, Excel to PDF, PowerPoint to PDF, Images to PDF, HTML to PDF, and more. Our universal converter supports 100+ file formats.

Absolutely! Our Merge PDF tool allows you to combine unlimited PDF files into a single document. Simply upload your files, drag them to reorder as needed, and click merge. The tool preserves all formatting, bookmarks, and links while creating one cohesive PDF file. Perfect for combining reports, contracts, or presentations.

Use our Compress PDF tool which offers smart compression technology. You can choose from different quality levels: Low (maximum compression), Medium (balanced), or High (minimal compression). Our algorithm optimizes images, removes redundant data, and compresses fonts while maintaining visual quality. Most files reduce by 40-70% without noticeable quality loss.

Yes! We offer extensive editing tools: Split PDF (extract pages), Rotate PDF (fix orientation), Reorder PDF (rearrange pages), Delete Pages, Add Watermarks, Add Page Numbers, Add Headers/Footers, Annotate PDF, and more. Each tool is designed for specific editing needs while maintaining document integrity.

Yes, our PDF to Word converter uses advanced OCR and layout detection technology to preserve formatting, fonts, images, tables, and page layouts. The converted DOCX file maintains the original structure including headers, footers, columns, and text styling. Editable text is preserved, making it easy to modify the document in Word.

Yes! Our PDF OCR tool uses advanced Optical Character Recognition technology to extract text from scanned PDFs and images. It supports 100+ languages and can convert image-based PDFs into searchable, editable text documents. The accuracy rate is typically 95-99% depending on image quality.

Our PDF to PowerPoint converter uses AI-powered design intelligence to transform PDF pages into editable PowerPoint slides. It automatically detects layouts, applies professional themes, creates master slides, adds transitions, and optimizes images. Each PDF page becomes a fully editable PPTX slide ready for presentations.

Yes, use our Protect PDF tool to add password protection and set permissions. You can create an "open password" (required to view the document) and "permissions password" (restricts printing, copying, or editing). We use 256-bit AES encryption to secure your files - the same security standard used by banks.

Use our Remove PDF Password tool. If you know the password, simply upload the PDF, enter the password, and we'll remove the protection. For owner/permissions passwords, upload the file and click remove. Note: We cannot crack unknown passwords as this would compromise security.

Our Clean PDF tool removes hidden metadata, scripts, malware, tracking codes, JavaScript, form data, annotations, and sensitive information from PDFs. It offers four cleaning profiles: Standard Clean (metadata removal), Security Scan (threat detection), Privacy Clean (strip all identifying info), and Optimization (reduce file size). Essential for sharing documents securely.

Yes. Most of our tools run entirely in your browser, so your file never leaves your device. The few conversions that need our servers (such as Word to PDF or Compress PDF) are sent over an encrypted HTTPS connection, processed in an isolated temporary folder and deleted as soon as the result is sent back to you. We never view or share your documents.

For tools that run in your browser, nothing is uploaded at all. For server tools, the file is processed in a temporary folder that is deleted the moment your result is returned, so we keep no copy. Your download is created in your browser and stays on your device.

No. Browser tools never upload your files, and server tools delete them right after processing. We do not view, analyze, share or sell your documents.

Yes! Thousands of businesses trust WoowPDF for handling confidential documents including contracts, financial reports, legal documents, and HR files. We maintain enterprise-grade security with ISO 27001-level data protection practices, encrypted connections, automatic file deletion, and zero data retention policies. Your business documents are safe with us.

Yes, WoowPDF is fully GDPR compliant. We respect your data rights including: right to access, right to deletion, right to data portability, and right to be forgotten. We collect minimal data, process files in EU data centers when applicable, maintain strict security protocols, and provide transparent privacy policies.

We implement multiple security layers: 256-bit SSL/TLS encryption for all transfers, secure server infrastructure with firewall protection, isolated processing environments for each file, automated malware scanning, DDoS protection, regular security audits, automatic file deletion systems, no permanent storage, and strict access controls. Your security is engineered into every aspect of our service.

Tools that run on our servers accept files up to 100 MB each. Tools that run in your browser have no upload at all, so the practical limit is your device memory; files of several hundred megabytes usually work fine on a modern computer.

We support 100+ file formats including: PDF, DOCX, DOC, XLSX, XLS, PPTX, PPT, JPG, JPEG, PNG, GIF, WEBP, BMP, TIFF, HTML, TXT, RTF, ODT, ODS, ODP, EPUB, and more. Our universal converter can handle virtually any document or image format you need to convert.

No! WoowPDF is completely web-based and works directly in your browser. No downloads, no installations, no plugins required. It works on any device with a modern web browser - Windows PC, Mac, Linux, Chromebook, iPad, iPhone, or Android devices. Just open your browser and start using our tools.

WoowPDF works on all modern browsers including Google Chrome, Mozilla Firefox, Safari, Microsoft Edge, Opera, and Brave. We recommend using the latest browser version for optimal performance. Our tools are tested across all major browsers to ensure consistent functionality.

Yes! WoowPDF is fully responsive and optimized for mobile devices. Our tools work perfectly on smartphones and tablets - both iOS (iPhone, iPad) and Android devices. The interface automatically adapts to your screen size, making it easy to convert and edit PDFs on the go.

Conversion time depends on several factors: file size (larger files take longer), file complexity (documents with many images or graphics need more processing), current server load, and internet speed. Most conversions complete in 5-30 seconds. If processing exceeds 2 minutes, try refreshing and uploading again, or check your internet connection.

Try these steps: 1) Check your internet connection, 2) Make sure the file opens normally on your device, 3) Keep server tool uploads under 100 MB, 4) Check that the file type is supported by the tool, 5) Refresh the page or try another browser, 6) Temporarily disable browser extensions. If it still fails, contact our support team.

Yes! Many of our tools support batch processing including Merge PDF (combine multiple files), Images to PDF (convert multiple images), and Compress PDF (compress several files). Upload all your files at once and process them simultaneously - saving you valuable time.

Our PDF to Excel converter extracts tables and data accurately. However, Excel formulas are typically not embedded in PDF files (PDFs store calculated values, not formulas). The converter will preserve data, formatting, and table structures, allowing you to recreate formulas in Excel if needed.

Yes! We are committed to keeping WoowPDF free forever. Our mission is to provide accessible PDF tools to everyone worldwide. We may introduce optional premium features in the future (like priority processing or advanced analytics), but our core tools will always remain free with no usage limits.

No hidden costs whatsoever! WoowPDF is completely free - no trial periods that expire, no credit card requirements, no surprise charges. You will never be asked to pay for using our tools. Free means free, and it always will be.

Currently, all our features are free with no paid tiers. We may introduce optional premium features in the future (like API access, white-labeling, or dedicated support), but all existing tools will remain free for everyone. Premium features would be purely optional - not required for normal usage.

Absolutely! Businesses, freelancers, entrepreneurs, and organizations can use WoowPDF for commercial purposes completely free of charge. We welcome business users and process millions of business documents daily. No commercial licenses required - just use our tools for your business needs.

There's no catch! We monetize through ethical, non-intrusive advertising displayed on our website. We never compromise your privacy, never force registrations, and never limit free users. Our efficient infrastructure and large user base make it possible to offer premium tools for free. We believe in accessible technology for all.

No! WoowPDF requires zero registration. No accounts, no sign-ups, no email verification. Just visit our website and start using our tools immediately. We believe in instant access without barriers - your time is valuable.

No. We do not use accounts and we do not keep your files, so there is no conversion history to show. Download your results right away and keep them on your device.

Yes! WoowPDF is available 24/7 globally. Our servers are distributed across multiple continents to ensure fast performance worldwide. We support 50+ languages and serve users in 180+ countries. No matter where you are, you can access our tools anytime.

Absolutely! Since there are no accounts or logins, anyone can use WoowPDF from any computer - home, office, library, school, or shared devices. No personal information is stored, making it perfect for shared or public computers.

Our conversion accuracy is industry-leading at 95-99% depending on the source document quality and complexity. We use advanced AI algorithms, machine learning, and OCR technology for optimal results. Simple documents convert with near-perfect accuracy, while complex layouts with unusual fonts or heavy graphics may require minor manual adjustments.

Yes! Our tools support 100+ languages including English, Spanish, French, German, Chinese, Japanese, Arabic, Hindi, Portuguese, Russian, and many more. Our OCR technology recognizes multilingual documents and preserves special characters, diacritics, and right-to-left text (Arabic, Hebrew).

OCR (Optical Character Recognition) extracts text from images and scanned documents. You need OCR when: 1) Converting scanned paper documents to editable text, 2) Extracting text from photos or screenshots, 3) Making image-based PDFs searchable, 4) Converting old documents to digital format. Our PDF OCR tool makes this easy and accurate.

Minor differences can occur due to: 1) Font substitution (if source fonts aren't embedded), 2) Complex layouts with overlapping elements, 3) Custom formatting not supported in target format, 4) Image compression during conversion, 5) Non-standard PDF features. For best results, use high-quality source files with embedded fonts.

Currently, we focus on our web-based tools for individual users. API access for automated, bulk conversions may be available as a future premium feature. For now, our batch processing tools allow you to convert multiple files manually through the website.

Our converters intelligently process images: maintaining quality during PDF conversions, optimizing file sizes in compression, extracting images for separate download, preserving image positioning and sizing, and supporting all major formats (JPG, PNG, GIF, TIFF, BMP, WEBP). Images are handled with care to maintain visual fidelity.

You will need to run the tool again. Results exist only in your browser tab, and server copies are deleted immediately after processing, so we cannot recover a closed result.

Yes! Use our PDF editing tools first: Rotate pages with Rotate PDF, Reorder pages with Organize PDF, Delete unwanted pages with Delete Pages, Compress large files with Compress PDF, Add watermarks with PDF Watermark. After editing, use any conversion tool to transform your edited PDF into the desired format.

We process any legal document content. We do not monitor or censor document contents. However, we prohibit: illegal content, malware distribution, copyrighted material without authorization, and spam/phishing documents. We maintain a strict policy against illegal activities while respecting user privacy.

We love hearing from users! Contact us through: 1) Email at support@woowpdf.com, 2) Contact form on our website, 3) Social media channels. We review all feedback and feature requests. Many of our current tools were developed based on user suggestions. Your input helps us improve!

Yes! Our support team is available via email at support@woowpdf.com. We typically respond within 24-48 hours. For immediate help, check our extensive FAQ section, tool-specific help guides, and video tutorials. We're committed to helping you succeed with our tools.

Absolutely! Students, teachers, and educational institutions worldwide use WoowPDF for free. Convert lecture notes, create presentations from research PDFs, compress assignment files, merge study materials, and more. Perfect for academic work with no costs or restrictions.

Our OCR engine uses neural networks and machine learning trained on millions of documents. It handles: poor quality scans, multiple languages simultaneously, complex layouts (newspapers, magazines), mathematical equations, handwritten text (with reasonable clarity), and tables with accuracy. The technology continuously improves through AI learning.

No, files cannot be recovered once deleted. Our automated deletion system permanently removes files for your security and privacy. This is intentional - we prioritize data protection over convenience. Always download your converted files immediately and save them to your device.

There is no page limit. Very large documents simply take longer. Server tools accept files up to 100 MB; browser tools are limited only by your device memory.

Files may increase in size when: 1) Converting compressed PDFs to editable formats (like Word), 2) Adding embedded fonts for compatibility, 3) Converting to formats with more overhead (HTML includes styling code), 4) Uncompressing images for editing, 5) Preserving high-quality graphics. Use our Compress tool to reduce file size after conversion.

Yes, but you must provide the password. Upload the protected PDF, enter the password when prompted, and we'll unlock and convert it. We cannot crack unknown passwords as this would compromise security. If you don't know the password, you'll need to contact the document owner.

Report issues via email to support@woowpdf.com. Include: 1) Tool name, 2) Browser and version, 3) Device type (PC/Mac/mobile), 4) Error message or description, 5) File size and format if relevant. Screenshots help! We investigate all reports promptly and fix bugs quickly.

You need an internet connection to open the site. After a tool page has loaded, most tools do their work inside your browser, but some conversions (like Word to PDF) need our servers and require a connection.

If conversion fails: 1) Check the error message for specific guidance, 2) Verify your file isn't corrupted, 3) Try refreshing and uploading again, 4) Use a different browser, 5) Check internet connectivity, 6) Reduce file size if very large, 7) Try converting in smaller batches. If problems persist, contact support with details.