Secure PDF Tools LogoSecure PDF Tools

PDF tools for everyday work and very large files

Crop, merge, split, sign, and make scans searchable. Preview your changes, reuse a workflow, and keep your PDF documents on your device—never uploaded to our servers.

For larger jobs, Progressive processing works page by page to reduce memory use, with direct-to-file saving where supported.

Combine multiple PDF actions

Build a PDF Workflow

Add, arrange, and configure PDF actions, preview each stage, then save the finished result.

Open Workflow Builder

Start with one PDF task

Choose a focused tool when you only need one action.

Photo to PDF icon

Photo to PDF

Turn photos and image folders into clean, searchable PDFs.

  • •Accept multiple images or folders
  • •Process images locally with no upload
  • •Detect page borders
  • •Correct photographed-page perspective
  • •Detect text orientation
OCR Text Recognition icon

OCR Text Recognition

Make scanned PDFs searchable, selectable, and easier to copy from.

  • •Make PDF scans searchable and text selectable
  • •Copy text from scanned PDFs without retyping
  • •Choose overlay OCR or text-only output
  • •Support for 100+ languages
  • •Process scans locally with no PDF upload
Sign PDF icon

Sign PDF

Create and add your signature to PDF documents.

  • •Draw your signature
  • •Place multiple stamps
  • •Resize and reposition
  • •Sign PDFs without uploading them
  • •Batch sign multiple documents
Add Text icon

Add Text

Draw boxes and overlay text on your PDF pages.

  • •Fill out forms manually
  • •Add notes or comments
  • •Cover existing text with new text
  • •Label images or diagrams
  • •Batch process multiple files
Draw on PDF icon

Draw on PDF

Draw freehand lines and notes directly on PDF pages.

  • •Draw with a mouse, pen, or finger
  • •Choose pen colors and widths
  • •Move and resize saved strokes
  • •Repeat a drawing across pages
  • •Save settings and batch process matching PDFs
Highlight icon

Highlight

Highlight words, draw marker strokes, or mark rectangular areas.

  • •Select words to highlight
  • •Draw rectangles and freehand marker strokes
  • •Choose colors and transparency
  • •Repeat highlights across pages
  • •Save settings and batch process matching PDFs
Merge & Organize icon

Merge & Organize

Combine multiple PDFs and rearrange them effortlessly.

  • •Join separate contract annexes
  • •Combine monthly bank statements
  • •Assemble short or multi-chapter reports
  • •Merge signed pages back into a document
  • •Receive files from other tools
Split PDF icon

Split PDF

Split PDFs by pages, repeated text, or fixed page counts.

  • •Choose visual split points
  • •Split every N pages
  • •Split by repeated text
  • •Separate invoices from one PDF
  • •Batch apply one split setup
Split Book Spreads icon

Split Book Spreads

Turn two-page book scans into single pages.

  • •Split every spread through its centre
  • •Keep pages in left-then-right order
  • •Remove one gutter across the document
  • •Preview original and result pages
  • •Save one single-page PDF
Extract Pages icon

Extract Pages

Save one page or selected pages from a PDF.

  • •Pull signature pages from contracts
  • •Save one page from a PDF
  • •Extract receipts from scanned batches
  • •Save selected pages as one PDF
  • •Batch extract recurring page positions
Extract Fields icon

Extract Fields

Turn fixed named PDF fields into structured Excel or CSV rows.

  • •Draw fixed regions for named scalar fields
  • •Export the same typed columns to XLSX or CSV
  • •Review missing and invalid values before export
  • •Reuse field recipes across matching PDFs
  • •Process PDF contents locally with no document upload
Crop icon

Crop

Remove empty margins and white space from your PDFs.

  • •Trim messy scanner borders
  • •Remove printer bleed marks
  • •Focus viewing area on content
  • •Standardize varied page sizes
  • •Batch crop multiple files
Add Margins icon

Add Margins

Fit PDF content inside adjustable empty page margins.

  • •Drag four visual margin lines
  • •Fit page content proportionally
  • •Use one setting, odd/even settings, or individual pages
  • •Keep links aligned with the fitted content
  • •Process PDFs on your device
Hide Content icon

Hide Content

Blur, pixelate, or cut out selected PDF areas.

  • •Hide medical details before secure download
  • •Cover private financial figures
  • •Cover outdated labels or logos
  • •Prepare selected areas for flattened output
  • •Export processing config
Remove Content icon

Remove Content

Delete selected PDF content or remove all raster images.

  • •Remove selected text, images, and artwork
  • •Remove raster images throughout a PDF
  • •Drop unused image data to reduce file size
  • •Click content or drag across an area to select it
  • •Process PDFs on your device
Flatten to Image icon

Flatten to Image

Convert PDF pages to fixed images and make text non-selectable.

  • •Convert each PDF page to an image
  • •Make text non-selectable
  • •Prevent direct copy and paste
  • •Create scanned-style PDFs
  • •Preserve the final visual layout
Combine Pages icon

Combine Pages

Consolidate multiple pages into single pages (2-up, 4-up).

  • •Create 2-up reading layouts
  • •Fit 4 presentation slides per page
  • •Prepare flashcards for printing
  • •Condense drafts to save paper
  • •Save layout configuration
Reorder Pages icon

Reorder Pages

Move PDF pages into the right order with a visual preview.

  • •Move pages up and down
  • •Fix scanning order mistakes
  • •Organize presentation slides
  • •Curate document sequence
  • •Optional page-number sort
Compare PDF icon

Compare PDF

Find textual differences between two PDF versions.

  • •Spot changes in contract drafts
  • •Verify wording updates in document drafts
  • •Audit financial report versions
  • •Review collaborative edits
  • •Side-by-side synchronized view
Delete Pages icon

Delete Pages

Remove blank, duplicate, cover, or other unwanted PDF pages.

  • •Remove accidental blank pages
  • •Delete unwanted pages visually
  • •Delete first or last N pages
  • •Find pages by text phrase
  • •Clean up scanned document packs
Compress PDF icon

Compress PDF

Reduce PDF file size by compressing photos and scans.

  • •Gentle, Balanced, and Strong compression
  • •Preview compressed pages before saving
  • •Keep text selectable and searchable
  • •See file size savings and image changes
  • •PDF documents stay on your device
Reading Colors icon

Reading Colors

Change PDF background and text colors for more comfortable reading.

  • •Warm Paper, Sepia, Soft Gray, Dusk, and Night styles
  • •Adjust the color strength and compare with the original
  • •Keep text selectable and searchable
  • •Keep images and graphics unchanged or invert supported photos, scans, and vector artwork
  • •Open the finished PDF in other reader apps
Save Toner icon

Save Toner

Lighten PDFs before printing while keeping important edges readable.

  • •Smart Lightening + Outline (Default)
  • •Process Whole Document Automatically
  • •Adjustable Ink Reduction
  • •Independent Area Settings
  • •Export toner saving recipe
Add Image icon

Add Image

Add logos, seals, image stamps, or scanned initials to PDF pages.

  • •Add a company logo to PDFs
  • •Insert PNG, JPEG, or WebP files
  • •Create watermarks with opacity and rotation
  • •Place seals or approval stamps
  • •Resize and reposition images
Straighten Pages icon

Straighten Pages

Automatically detect and straighten crooked or skewed scanned pages.

  • •Fix crooked scanned receipts
  • •Straighten quick mobile document photos
  • •Correct skewed textbook scans
  • •Improve text readability for OCR
  • •Auto-detect skew angle
Rotate Pages icon

Rotate Pages

Check current rotation and turn pages in 90-degree steps.

  • •Fix sideways scanned pages
  • •Fix orientation of the scan
  • •Correct upside-down handouts
  • •Normalize mixed page orientation
  • •Batch rotate repeated document sets
Add Page Numbers icon

Add Page Numbers

Add sequential page numbers with size and style controls.

  • •Adjust font size
  • •Use bold or italic styling
  • •Draggable vertical positioning
  • •Instant preview of results
  • •Export numbering config
Resize Pages icon

Resize Pages

Set every PDF page to A4 or US Letter.

  • •Set every page to A4 or US Letter
  • •Choose portrait or landscape
  • •Fit and centre visible page content proportionally
  • •Add white space where page shapes differ
  • •Process PDFs on your device

Need a Custom PDF Solution?

Talk to us about PDF work beyond the available Actions

  • •Discuss a PDF workflow built around your business process.
  • •Explore enterprise integration or self-hosted deployment.
  • •Ask about a dedicated desktop solution.

Download Desktop Application

Keep your PDF tools close at hand on Windows, macOS, or Linux. After installation and activation, document processing can run without an internet connection.

Download for Windows/Mac/Linux

Frequently Asked Questions

Learn about large files, everyday tools, privacy, and workflows

UK GDPR Compliant

Secure PDF Tools complies with UK GDPR for the personal data we process.

  • • Clear privacy information
  • • Consent controls where required
  • • Data minimisation by design

Documents Stay on Your Device

PDF contents are processed locally rather than by our servers.

  • • No PDF upload
  • • No server-side document processing
  • • No document storage on our servers

Enterprise-Safe PDF Processing

Work with confidential business documents without sending PDF contents to our servers.

  • • Legal contracts and NDAs
  • • Financial records
  • • Medical records

Support

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Paid Access

v4.0.24

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PDFs stay on your device • Secure PDF Tools is UK GDPR compliant