Scan, Sign & AI Chat
Mobile App
The mobile app pairs with your account via QR code and brings scanner, signature, chat and documents to your phone.
Free tools
Tools for your office day
Edit PDFs, create and validate e-invoices, extract text from photos, calculate deadlines: free tools from PaperOffice AI – most of them run right in your browser.
Right in your browser Nothing to install PDF, e-invoice, text recognition
Invoices and tax
Check a VAT number Validate VAT identification numbers from all EU countries via VIES. Runs via the PaperOffice API View an e-invoice Display, check and print XRechnung and ZUGFeRD in readable form. Runs in your browser Check an e-invoice Check XRechnung and ZUGFeRD for mandatory fields, totals and VAT rules. Runs in your browser Create e-invoice Fill in, check and download a ZUGFeRD PDF or XRechnung. Runs in your browser
Text recognition
Deadlines and calendar
Retention period calculator End of period and earliest destruction date for business records in Germany. Runs in your browser Working days calculator Count working days or find the date after X working days, per German state with holidays. Runs in your browser Deadline calculator Calculate German legal deadlines with public holidays. Runs in your browser
Check and compare
Email address checker Detect disposable and fake addresses without sending an email. Runs via the PaperOffice API Compare PDF Compare two versions of a PDF word by word and see the changes highlighted. Runs in your browser What is my IP? Show your public IP address, location and provider. Runs via the PaperOffice API
PDF tools
Merge PDF Combine several PDF files into one, in the order you choose. Runs in your browser Split PDF Split a PDF by page ranges, every N pages or into single pages. Runs in your browser Delete PDF pages Remove single pages from a PDF and save the rest as a new file. Runs in your browser Rotate PDF Rotate single pages or all pages of a PDF and save the rotation for good. Runs in your browser Extract PDF pages Save selected pages as a new PDF – together or each page on its own. Runs in your browser Organize PDF Reorder, rotate and remove the pages of a PDF and insert blank pages. Runs in your browser Compress PDF Make PDF files smaller while keeping text and graphics. Runs in your browser JPG to PDF Save photos and images as PDF, several images in one file. Runs in your browser PDF to JPG Save PDF pages as JPG or PNG images. Runs in your browser Protect PDF with a password Encrypt a PDF with AES-256 and decide whether printing or copying is allowed. Runs in your browser Unlock PDF Remove password protection and restrictions, using your own password. Runs in your browser Add watermark to PDF Put a text or logo watermark on a PDF, with a live preview. Runs in your browser Add page numbers to PDF Insert page numbers with your choice of position, format and start number. Runs in your browser Crop PDF Trim the margins of PDF pages, by dragging a frame or in millimetres. Runs in your browser Remove PDF metadata View, edit or remove author, title, software and other hidden details. Runs in your browser Sign PDF Draw, type or upload your signature and place it on any page. Runs in your browser Fill PDF form Fill in and save fillable PDF forms right in your browser. Runs in your browser Redact PDF Black out confidential passages – the text is truly removed from the file. Runs in your browser
More with PaperOffice AI
From a single tool to an automatic workflow
The tools handle individual tasks by hand. PaperOffice AI handles them automatically for every incoming document – from reading the data to audit-proof filing.
- Recognize, read and file documents automatically
- Set and track retention periods per document type
- Agents for invoices, contracts and incoming mail
- Available in the app, via API and MCP
FAQ
Questions about the free tools
Are the tools really free?
Yes. You can use the tools free of charge. Tools that run via the PaperOffice API have a monthly allowance per device. A free account gives you more.
Is my data stored?
Tools marked "Runs in your browser" work entirely on your device; your files and entries are not sent to us. For tools that run via the PaperOffice API, only the respective input is sent over an encrypted connection. Each tool page has the details.
Do I need any software?
No. All tools run in an up-to-date browser on computers, tablets and smartphones.
Will more tools be added?
Yes. We keep extending the collection.
