PDF Toolkit API

PDF Toolkit API

One API for Every PDF Operation

PDF Toolkit API is a comprehensive REST API that lets developers merge, split, compress, convert, secure, edit, inspect, and optimize PDF documents through a single, fast, and reliable API.

Instead of integrating multiple PDF services, you get one unified API that handles the complete PDF workflow for web applications, SaaS products, document management systems, CRMs, ERPs, automation platforms, AI applications, and enterprise software.

Built for developers, PDF Toolkit focuses on speed, security, and production reliability while delivering high-quality PDF processing without external dependencies such as Ghostscript.

---

A powerful all-in-one PDF API for developers.

Merge PDFs, split pages, compress files, repair damaged PDFs, convert PDFs to images or text, create PDFs from images, encrypt with AES-256, decrypt protected files, add watermarks, page numbers, edit metadata, permanently redact sensitive information, inspect PDF properties, and much more.

Designed for production environments with secure processing, fast performance, predictable results, and simple REST endpoints.

---

The Complete PDF API

PDF Toolkit provides everything needed to process PDF documents through a single REST API.

Whether you're building:

• Document Management Systems
• SaaS Platforms
• CRM & ERP Software
• HR Systems
• Invoice Platforms
• Legal Applications
• Banking Software
• Insurance Platforms
• Healthcare Systems
• AI Document Pipelines
• Workflow Automation
• No-code Platforms
• Mobile Applications
• Internal Enterprise Tools

PDF Toolkit gives your application professional PDF capabilities without managing complex PDF libraries.

---

Features

Organize PDFs

• Merge multiple PDF files
• Split PDFs into multiple documents
• Rotate pages
• Delete pages
• Extract pages
• Reorder pages

Perfect for document assembly and workflow automation.

---

Optimize PDFs

Reduce file size while preserving quality.

Features include:

• Lossless compression
• Web optimization
• PDF linearization
• Stream optimization
• Object stream packing
• Repair corrupted PDFs

Unlike many alternatives, compression is performed without Ghostscript, preserving document quality.

---

Convert PDFs

Convert between popular formats.

Supported operations:

• PDF → PNG
• PDF → JPG
• Images → PDF
• PDF → Text

Ideal for OCR workflows, previews, indexing, search engines, and document processing.

---

Secure PDFs

Protect sensitive documents.

Capabilities include:

• AES-256 encryption
• Password protection
• Owner password
• User password
• Permission control
• Remove password protection

Control whether users can:

• Print
• Copy
• Modify documents

---

Edit PDFs

Modify PDF documents programmatically.

Available operations:

• Add watermarks
• Insert page numbers
• Edit metadata
• Permanent redaction

Unlike visual masking tools, the redaction endpoint permanently removes sensitive content so it cannot be recovered.

---

Inspect PDFs

Retrieve document information including:

• Number of pages
• File size
• Encryption status
• Title
• Author
• Subject
• Creator
• Producer
• Document metadata

Useful for validation, indexing, and document management systems.

---

Why Choose PDF Toolkit?

One API

No need to integrate multiple PDF providers.

Everything is available through one consistent REST API.

---

Fast

Optimized for production workloads with efficient PDF processing.

---

Developer Friendly

Simple REST endpoints

Multipart file uploads

Binary file responses

JSON metadata responses

Predictable API behavior

Easy integration with any programming language.

---

Secure

Documents are processed securely.

Supports AES-256 encryption.

Supports permanent document redaction.

No AI models analyze or learn from uploaded files.

---

High Quality

Uses mature open-source PDF technologies including:

• pypdf
• pikepdf
• qpdf
• PDFium
• img2pdf
• Pillow
• ReportLab

---

No Ghostscript

Compression and optimization are performed without requiring Ghostscript, making deployment easier and more predictable.

---

API Categories

📄 Organize

• Merge PDFs
• Split PDFs
• Rotate Pages
• Delete Pages
• Extract Pages
• Reorder Pages

⚡ Optimize

• Compress PDF
• Repair PDF
• Linearize PDF

🔄 Convert

• PDF → Images
• Images → PDF
• PDF → Text

🔒 Secure

• Encrypt PDF
• Decrypt PDF
• Permission Management

✏️ Edit

• Watermarks
• Page Numbers
• Metadata
• Permanent Redaction

ℹ️ Meta

• PDF Information
• Service Limits

Common Use Cases

PDF Toolkit is suitable for:

• Document Management Systems
• Invoice Generation
• Contract Processing
• Banking Applications
• Legal Document Automation
• Insurance Platforms
• HR Systems
• Medical Record Processing
• Government Portals
• Digital Signature Workflows
• Print Preparation
• PDF Archiving
• Bulk PDF Processing
• Enterprise Automation
• Workflow Engines
• SaaS Products
• API Platforms
• Mobile Apps
• AI Document Pipelines
• Search Indexing

Response Types

Depending on the endpoint, responses include:

• PDF files
• ZIP archives
• JSON
• Text extraction
• Metadata

---

Example Use Cases

Merge Documents

Combine multiple contracts into one PDF.

Compress Files

Reduce document size before email or storage.

Password Protection

Encrypt confidential reports with AES-256.

Watermark PDFs

Add "CONFIDENTIAL", "DRAFT", or custom branding.

Convert PDFs

Generate image previews or extract searchable text.

Redact Sensitive Data

Remove personal information permanently before sharing documents.

Inspect Documents

Validate uploaded PDFs before storing them.