Merge · Split · Compress · Encrypt · Repair · Flatten · 100% Free

The complete PDF toolkit, free in your browser

Merge multiple PDFs into one, split by page range, compress up to 80%, encrypt with AES-256, repair corrupted files, organise pages and edit metadata. All free, no upload to server — everything runs in your browser.

Instant No upload to server AES-256 No signup
8 PDF TOOLS IN ONE
Merge
Split
Compress
Encrypt
PDF Dominator by Tooljin — the ultimate professional PDF toolkit: merge, split, compress, encrypt and repair PDF files, no upload to server, browser-based, AES-256 encryption, 100% free

8 powerful PDF tools in one

Merge, Split, Compress, Encrypt, Decrypt, Repair, Flatten and edit Metadata — the most complete free PDF toolkit online.

Merge PDF

Combine multiple PDF documents into one single file. Drag and drop to arrange files in the perfect order before merging.

  • Upload multiple PDF files at once
  • Drag to reorder files before merging
  • Add page numbers to merged PDF
  • Download as single combined PDF
Split PDF

Extract specific pages or divide a large PDF into smaller files — by custom page range or by equal page count chunks.

  • Split by custom page range (e.g. 1-3, 5, 7-10)
  • Split into equal chunks by page count
  • Download each split as separate PDF
  • Multiple splits downloaded as ZIP
Organize Pages

See all pages as thumbnails, drag to reorder, rotate individual pages, delete unwanted ones, or extract selected pages as a new PDF.

  • Visual thumbnail grid of all pages
  • Drag & drop to reorder pages
  • Rotate individual pages 90°
  • Delete pages · Extract selected pages
Compress PDF

Reduce PDF file size by up to 80% using professional Ghostscript compression. 3 quality levels to balance size and quality.

  • Maximum: 72 dpi · ~70% size reduction
  • Recommended: 150 dpi · ~50% reduction
  • High Quality: 300 dpi · ~25% reduction
  • Powered by Ghostscript engine
Encrypt & Decrypt PDF

Add AES-256 password protection to your PDF or remove existing passwords. Set separate user and owner passwords.

  • AES-256 encryption — industry standard
  • Separate user & owner passwords
  • Remove password from encrypted PDF
  • Detects already-encrypted files
Repair PDF

Fix corrupted or broken PDF files. Recover documents with damaged cross-reference tables, truncated files, or structural errors.

  • Ghostscript XRef recovery
  • Fix truncated/incomplete PDFs
  • Recover from download corruption
  • Preserves all content when possible
Flatten & Metadata

Permanently embed form fields and annotations into the PDF. Edit title, author, subject and keywords for SEO and document management.

  • Flatten interactive form fields
  • Embed annotations permanently
  • Edit Title, Author, Subject, Keywords
  • 100% browser — no server upload
Everything you need for PDF management — merge, split, compress, repair, encrypt, remove password, organize pages and edit metadata

Everything you need for PDF management, in one free tool.

See PDF Dominator in action

Merge, split, compress and secure your PDFs — watch how fast it is.

PDF Dominator demo — merging and splitting PDF files in the browser
Compressing and encrypting a PDF with PDF Dominator
Organising pages and repairing PDF files with PDF Dominator

Why use PDF Dominator

Private by design, powerful under the hood, and completely free.

Your files never leave your device

Every operation runs 100% in your browser. Your PDFs are never uploaded to any server — complete privacy, total security.

Professional-grade engine

Powered by Ghostscript for real compression (up to 80% smaller) and reliable repair of corrupted PDFs — not a lightweight approximation.

AES-256 encryption

Add industry-standard password protection with separate user and owner passwords, or remove passwords from PDFs you own.

100% free, no signup

Every tool is free with no watermark and no account required. Just open PDF Dominator and start working.

Works in any browser

No installation, no plugins. PDF Dominator runs in all modern browsers on desktop and mobile.

8 tools, one place

Merge, split, compress, encrypt, decrypt, repair, flatten and edit metadata — no need to jump between different sites.

How to use PDF Dominator — any tool

Four steps, under a minute — works the same for every tool.

1
Upload your PDF

Drag & drop your PDF files or click to upload. Your files never leave your device — everything is processed locally.

2
Choose your tool

Pick the tool you need — merge, split, compress, encrypt, repair, organise or edit metadata.

3
Process instantly

The engine works instantly in your browser. Watch the progress and preview the result.

Manage PDFs in 4 easy steps — upload PDF, choose tool, process in your browser, download the result

Frequently asked questions

How do I merge multiple PDF files into one online for free?

Open PDF Dominator and go to the Merge tab. Upload your PDF files by clicking or drag & dropping them. Drag the files to arrange them in the order you want. Click Merge — your combined PDF downloads instantly. No signup, no upload to server.

How do I split a PDF by page range?

Go to the Split tab in PDF Dominator, upload your PDF, and enter page ranges like '1-3, 5, 7-10'. Click Split — each range downloads as a separate PDF file. You can also split into equal chunks by specifying pages per chunk.

Can I delete or rotate pages from a PDF online for free?

Yes. Go to the Organize tab, upload your PDF, and you'll see thumbnail previews of all pages. Click pages to select them, then rotate or delete them. Drag thumbnails to reorder pages. Download the reorganized PDF when done.

Can I extract specific pages from a PDF?

Yes. In the Organize tab, click to select the pages you want to extract, then click Extract. The selected pages are saved as a new PDF file — useful for pulling out specific sections from large documents.

Can I add page numbers to a PDF?

Yes. PDF Dominator lets you add page numbers in 6 formats — Bottom Center 'Page 1 of 5', '1/5', '- 1 -', Bottom Right 'Page 1', Top Right 'Page 1', or just '1'. Choose your preferred style before merging.

Is my PDF uploaded to a server?

No. PDF Dominator works entirely in your browser using PDF-lib.js. Your files are never uploaded to any server — all merging, splitting, and organizing happens locally on your device for complete privacy.

Is PDF Dominator free to use?

Yes, completely free. Tooljin's free plan includes 200 credits per month plus 5 credits per day. No credit card required. Compress, Encrypt, Repair, and Decrypt require a free account.

How do I compress a PDF file online for free?

Go to the Compress tab in PDF Dominator, upload your PDF (max 100MB), choose a quality level — Maximum Compression (72 dpi), Recommended (150 dpi), or High Quality (300 dpi) — and click Compress PDF. Powered by Ghostscript, files are typically reduced by 25–70%.

How do I encrypt a PDF with a password online?

Go to the Encrypt tab in PDF Dominator. Upload your PDF, enter a user password (required to open) and optionally an owner password (for editing restrictions). Click Encrypt PDF — your file is protected with AES-256 encryption, the industry standard.

How do I remove a password from a PDF online?

Go to the Encrypt tab and click Remove Password. Upload your encrypted PDF and enter the current password. Click Remove Password — the unlocked PDF downloads immediately. The password is permanently removed.

Can I repair a corrupted PDF file online?

Yes. Go to the Repair tab, upload your corrupted PDF, and click Repair PDF. PDF Dominator uses Ghostscript with recovery flags to fix corrupted cross-reference tables, truncated files, and common PDF structure errors.

Merge, split and organise your PDFs — free

The complete PDF toolkit — merge, split, compress, encrypt, repair and more. No signup, no upload to server, 100% private.

Open PDF Dominator