Design, Edit & Convert PDFs. Directly Online.
Full-featured Canva-style studio with rich typography, 40+ vector shapes, official stamps, and 30+ conversion tools.
Merge PDF
Combine multiple PDF files into one single document.
Split PDF
Extract specific pages or page ranges into new PDFs.
Rotate PDF
Rotate PDF pages by 90, 180, or 270 degrees.
Delete Pages
Remove unwanted pages from your document.
Extract Pages
Extract selected pages from your PDF file.
Organize PDF
Sort, reorder, and rearrange PDF pages visually.
Add Page Numbers
Insert customized page numbering headers & footers.
Add Watermark
Stamp text or logo watermarks over your PDF.
Flatten PDF
Merge interactive form fields into non-editable PDF layers.
Protect PDF
Encrypt your PDF with strong AES 256-bit password.
Unlock PDF
Remove password protection and security restrictions.
Compress PDF
Reduce PDF file size while preserving high visual quality.
PDF to JPG/PNG
Convert PDF pages into high-resolution images.
JPG/PNG to PDF
Convert photos and PNG images into a PDF document.
Crop PDF
Trim margins and crop specific areas in PDF pages.
Repair PDF
Recover corrupted, broken, or unreadable PDF files.
HTML to PDF
Convert HTML files or webpages into PDF.
Markdown to PDF
Convert Markdown (.md) documents to stylized PDFs.
Scan to PDF
Convert document photos into standardized PDF scans.
PDF to Word
Convert PDF documents to editable Microsoft Word (DOCX).
PDF to Excel
Extract PDF tables and numbers into Microsoft Excel (XLSX).
PDF to PowerPoint
Convert PDF slide decks into PowerPoint (PPTX) presentations.
Word to PDF
Convert Microsoft Word (DOC, DOCX) files to PDF.
Excel to PDF
Convert Microsoft Excel (XLS, XLSX) sheets to PDF.
PowerPoint to PDF
Convert PowerPoint (PPT, PPTX) slides into PDF.
PDF to PDF/A
Convert standard PDF to ISO-compliant archival PDF/A standard.
OCR Searchable PDF
Make scanned documents searchable and selectable.
Compare PDF
Compare two PDF documents to highlight structural changes.
Redact PDF
Permanently blackout sensitive text and vector information.
Get PDFtan Mobile App. Faster, Offline & On-the-Go.
Enjoy Canva-style PDF Studio editing, 14 professional fonts, 40+ shapes, real-time push notifications, and 30+ conversion tools directly on your phone.
Why Professionals & Developers Choose PDFtan
PDFtan is engineered from the ground up to solve the three biggest flaws in traditional online PDF converters: slow processing queues, hidden subscription paywalls, and permanent file retention on third-party cloud servers.
Sub-Second CLI Engine
Unlike web wrappers relying on heavy headless browsers, PDFtan executes document transformations using native C++ and Linux binaries. Merging, splitting, rotating, and compressing take milliseconds rather than minutes.
Zero-Retention Sandboxing
Your privacy is guaranteed by architecture, not just promises. Every uploaded file is written to an ephemeral memory sandbox, processed in isolation, and wiped automatically within 15 to 60 minutes.
800 Free Tasks / Day
Every user receives a generous daily allocation of 800 free document tasks. No mandatory credit cards, trial traps, or watermark stamps on your output files.
An All-in-One Online Document Platform
PDFtan replaces multiple standalone applications with a unified, browser-accessible suite covering all document lifecycle requirements:
Organize & Structure
Merge multiple files into single PDFs, split complex reports by custom page intervals, rotate upside-down scans, and delete unwanted pages with real-time visual previews.
Office & Image Converts
Accurately convert Word (DOCX), Excel (XLSX), PowerPoint (PPTX), JPG, and PNG files to PDF and vice versa with flawless font rendering and table structure retention.
Security & Compliance
Protect sensitive documents with AES-256 bit encryption, unlock password-protected files, redact confidential PII, and convert to ISO-compliant PDF/A archive formats.
Canva PDF Studio
Edit PDFs in real-time in your browser: type text with 14 curated typography styles, place 115+ vector shapes, draw freehand diagrams, and create official e-signatures.
Frequently Asked Questions
Is PDFtan really 100% free to use?
Yes! PDFtan provides up to 800 free document tasks every single day. There are no surprise paywalls, watermarks, or credit card requirements.
What happens to my uploaded files after processing?
Under our strict Zero-Retention Policy, all files are stored exclusively in isolated temporary workspaces and permanently wiped automatically after 15 to 60 minutes.
How does PDFtan OCR (Optical Character Recognition) work?
Our OCR engine parses scanned PDF documents and image pages, identifying multi-language characters and constructing a selectable, searchable text layer with high fidelity.
Can developers automate PDF workflows via API?
Yes! PDFtan includes a high-throughput REST API with developer keys, webhook support, and client SDK compatibility for automated server workflows.