Convert to PDF & Invoice

Convert to PDF turns photos, documents, and existing files into clean, professional PDFs. Whether you want to convert images to PDF, scan documents, or merge PDFs – everything is lightning-fast, requires no account, leaves no watermarks, and is completely ad-free. The classic PDF tools work offline right on your device. Your sensitive data never leaves your smartphone. CREATE & EDIT PDFs - Scan documents: Use your camera as a PDF scanner to capture multiple pages in a row. - Image to PDF: Import JPG, PNG, and other formats from your gallery and convert them to a PDF document. - Merge PDFs: Combine multiple files into a single, organized document. - Organize pages: Visually sort the page order via drag & drop or delete unnecessary pages before generating the PDF. - Adjust format: Freely choose your preferred page size (A4 or Letter) and orientation (portrait or landscape). OPTIMIZE & PROTECT PDFs - Compress PDF: Optimize file size through structural compression to save storage space. - Password protection: Securely encrypt your documents with a user and owner password. - Headers and footers: Add custom text and automatic page numbering to your files. - Preview: View the finished document before saving or sharing it. VALIDATE E-INVOICES (NEW!) Ideal for freelancers, offices, and anyone working professionally with invoices: - Validate invoices: Check compliance against official rules according to the EN 16931 standard. See instantly if the document is compliant, including detailed errors and warnings. - Create audit reports: Generate a detailed validation result as a PDF for filing or forwarding. - ZUGFeRD & XRechnung: Supports ZUGFeRD, Factur-X, and XRechnung. Generate a standard-compliant PDF directly from an XML invoice. (Privacy Note: These three e-invoice tools require an internet connection, as the validation runs on our server. The file is processed solely for this operation, is never shared with third parties, and is automatically deleted immediately afterward. All other app functions continue to work 100% offline.) FILE MANAGEMENT & OVERVIEW - Dedicated file area for all generated PDFs. - Recently created documents are instantly available on the home screen. - Open, share, or delete files directly from the overview. WHY CONVERT TO PDF? - 100% Ad-Free: No annoying ads, no tracking or analytics of your behavior. - No Subscription Traps: No watermarks, no hidden costs, no registration required. - Privacy-Focused: When creating and editing, all files remain locally on your device. - Multilingual: Clean, easy-to-use interface available in English, German, French, and Portuguese. Fully optimized for smartphones and tablets. Whether you are a student organizing notes or a freelancer managing business documents: Convert to PDF is the fast, honest, and lightweight app for creating, editing, and validating your files. Download it now!