SwiftPDF Pro — Free Online PDF Tools

SwiftPDF Pro is a privacy-first online PDF toolkit with 27 tools — free to use without an account. Every file is processed in server memory and deleted instantly when your download begins. Nothing is ever stored. Operated by K4 Consulting Limited, registered in England and Wales.

Free plan: 3 operations per day, files up to 10 MB, no account required. Pro plan: $7/month, unlimited operations, files up to 100 MB.

All PDF Tools

Organise PDF

All-in-One PDF Workspace — Upload a PDF once and apply any of the 27 tools without re-uploading. Compress, rotate, annotate, sign, OCR, protect and more in a single session.
Merge PDFs — Combine multiple PDF files into one document with drag-and-drop reordering. Free, no account required.
Split PDF — Extract specific pages or split every page into its own file, downloaded as a ZIP. Free.
Rotate PDF Pages — Rotate all pages or specific pages by 90°, 180° or 270°. Batch up to 20 files. Free.
Organise PDF Pages — Rearrange, delete or reorder pages with drag-and-drop thumbnails. Pro tool.

Optimise PDF

Compress PDF — Reduce PDF file size with Light (browser-only, no upload), Medium or Maximum compression. Batch up to 20 PDFs. Free.
Repair PDF — Fix corrupted or damaged PDF files using Ghostscript. Free.
Grayscale PDF — Convert colour PDFs to black and white. Reduces file size, prepares for monochrome printing. Free.
Flatten PDF — Permanently bake form fields and annotations into the page. Free.
Convert PDF to PDF/A — Convert any PDF to the archival PDF/A-2b standard for legal submissions, HMRC records and long-term storage. Pro tool.

Convert to PDF

Image to PDF — Convert JPG, PNG, WebP or HEIC images into a PDF. Supports up to 20 images with drag-and-drop reordering. Free.
Word to PDF — Convert .docx Word documents to PDF, preserving headings and paragraph structure. Pro tool.
Excel to PDF — Convert Excel spreadsheets and CSV files to a formatted PDF table. Pro tool.

Convert from PDF

PDF to JPG — Convert each page of a PDF into a JPG or PNG image. Free.
PDF to Word — Convert a PDF to an editable .docx Word document. Pro tool.
PDF to Excel — Extract tables from a PDF into an editable Excel spreadsheet. Pro tool.
PDF to PowerPoint — Convert a PDF into an editable .pptx presentation. Pro tool.
PDF to Google Doc — Convert a PDF into a Google Doc format for easy editing. Pro tool.

Edit PDF

Sign PDF — Electronically sign a PDF by drawing, typing or uploading a signature. Fully client-side — the file never leaves your browser. Free, unlimited.
Add Text to PDF — Overlay text, annotations and shapes on PDF pages with custom fonts and colours. Free.
Edit PDF Text — Correct existing text in a PDF using cover-and-replace. Free.
Watermark PDF — Add a text or image watermark to every page of a PDF. Free.
Add Page Numbers — Add page numbers in any position and style to a PDF. Free.
Annotate PDF — Add highlights, underlines and comments to PDF pages. Free.

PDF Security

OCR — Make PDF Searchable — Apply optical character recognition to a scanned PDF so the text becomes selectable and searchable. Free.
Password Protect PDF — Add a password to a PDF to prevent unauthorised access. Pro tool.
Redact PDF — Permanently remove sensitive content from a PDF with opaque black rectangles. Pro tool.
Remove PDF Password — Remove password protection from a PDF you own. Free.

Why SwiftPDF Pro?

Most online PDF tools upload your document to cloud storage where it sits for one to twenty-four hours before being deleted. For professionals handling contracts, medical records, HR documents or client files, that is an unacceptable retention window.

SwiftPDF Pro is architecturally different. Files are held only in RAM during processing and are deleted the moment your download response begins. File retention is technically impossible — not just a policy promise. Nothing is ever written to disk, no S3 bucket, no temp files, no logs of file content.

Key facts

Zero file retention — files never touch disk or persistent storage
No account required — the free tier needs no email, password or payment details
No watermarks — SwiftPDF Pro never stamps output files on any tier
Desktop app (PWA) — installs on Windows and macOS as a Progressive Web App; set it as your system default PDF opener
UK GDPR compliant — operated by K4 Consulting Limited, registered in England and Wales under the UK GDPR as supervised by the Information Commissioner's Office (ICO)
Files never used for AI training — document contents are never analysed, retained or used to train any model

The UK Data Protection Act 2018 governs how personal data in documents must be handled. SwiftPDF Pro's zero-retention architecture means no personal data is ever stored from document contents.

Pricing

Free plan: 3 operations per day, files up to 10 MB, no account required, access to 14 free tools.

Pro plan: $7/month or $70/year — unlimited operations, files up to 100 MB, all 27 tools, priority processing. Cancel anytime.

Education pricing: Domain-wide licensing for schools, multi-academy trusts and local authority districts. See education pricing.

Enterprise pricing: Flat fee for company-wide access with centralised billing. See enterprise pricing.

How SwiftPDF compares

SwiftPDF Pro vs Smallpdf — SwiftPDF deletes files instantly; Smallpdf retains them for up to one hour. SwiftPDF Pro is $7/month vs ~$12/month for Smallpdf.
SwiftPDF Pro vs Adobe Acrobat — Adobe Acrobat costs $20+/month and requires a desktop install. SwiftPDF Pro is browser-based at $7/month.
SwiftPDF Pro vs iLovePDF — Both cover similar PDF operations. SwiftPDF requires no account and is UK GDPR registered.
SwiftPDF Pro vs Sejda — Sejda retains files for two hours; SwiftPDF deletes on download. Comparable price.
SwiftPDF Pro vs DocHub — DocHub focuses on signing workflows. SwiftPDF covers a broader utility set with stricter privacy.
SwiftPDF Pro vs PDFescape — PDFescape has a dated interface. SwiftPDF Pro has a modern UI and more tools at the same free-tier file limit.
PDF24 alternative — SwiftPDF Pro free plan with no ads and no account required.
Adobe Acrobat alternative — SwiftPDF Pro covers everyday PDF tasks at $7/month vs ~$20/month.