PDF.js Express vs LightPDF Comparison
PDF.js Express
Starting at $375 /Month
- Free Trial
- Large Enterprises
- Medium Business
PDF.js Express is a commercial open source viewer designed for developers who need to add e-signatures, annotations and forms to their PDF documents. This highly customizable solution offers three essential components -…
LightPDF
Starting at Contact for pricing
- Large Enterprises
- Medium Business
LightPDF is the top PDF editor and converter, offering users a seamless online experience. With a powerful and efficient conversion capability, LightPDF can easily turn your PDF files into commonly-used formats like Micr…
LightPDF leads on user satisfaction with a 4.7-star rating across 36 reviews.
PDF.js Express vs LightPDF — at a glance
| Feature | PDF.js Express | LightPDF |
|---|---|---|
| Rating | — | 4.7 / 5 |
| Reviews | — | 36 |
| Starting price | $375 /Month | Contact for pricing |
| Free trial | Yes | No |
| Free version | No | No |
| Best for | Large Enterprises, Medium Business, Small Business | Large Enterprises, Medium Business, Small Business |
| Category | PDF Editor Software | PDF Editor Software |
| Platforms | SaaS/Web/Cloud | SaaS/Web/Cloud, Installed - Windows, Installed - Mac |
| API | — | Available |
| Support modes | Business Hours, Online | Online |
| Certifications | — | — |
| Data residency | Global | Global |
Key differences between PDF.js Express and LightPDF
- Pricing: PDF.js Express starts at $375 /Month. LightPDF pricing is not publicly listed.
- Free trial: PDF.js Express offers a free trial; LightPDF does not.
- Deployment: PDF.js Express supports SaaS/Web/Cloud; LightPDF supports SaaS/Web/Cloud, Installed - Windows, Installed - Mac.
PDF.js Express vs LightPDF — find the better fit before you commit.
Which tool fits your team best
Which is actually cheaper for your team size
Where each product wins, per real buyers
Most PDF Editor Software tools look identical on paper. This comparison cuts to the differences that matter — pricing structure, team fit, and what real buyers found after signing up.
Biggest differences
Features
Pricing
Buying details
Security
Buyer feedback
Integrations
Product tour
Other options
Talk to an expert Talk to an expert |
Biggest differences
Start here before you go deeper into features.
Large Enterprises, Medium Business, Small Business
Best for small to medium teams needing easy, AI-enhanced PDF conversion and editing.
- You require a simple, user-friendly PDF tool with versatile conversion and editing features.
- Your team benefits from AI-powered document summarization and text extraction capabilities.
- You operate in small or medium-sized businesses needing online, streamlined PDF workflows.
- You need advanced PDF editing features beyond basic conversion and compression.
- Your organization requires offline or fully on-premise PDF solutions.
PDF.js Express typically suits Large Enterprises and Medium Business. LightPDF tends to fit Large Enterprises and Medium Business better. The right choice depends on your team size, workflow, and whether a free trial matters.
Description | PDF.js Express is a commercial open source viewer designed for developers who need to add e-signatures, annotations and forms to their PDF documents. This highly customizable solution ... Read More about PDF.js Express | LightPDF is the top PDF editor and converter, offering users a seamless online experience. With a powerful and efficient conversion capability, LightPDF can easily turn your PDF files into ... Read More about LightPDF |
|---|---|---|
Entry Level Pricing |
|
|
Free Trial Availability |
| |
User RatingsBased on verified Spotsaas reviews | ||
Best Company Size | — | Small BusinessMedium Business |
Get pricing help | Get pricing help |
Software Demo
Demo |
|---|
Need a second opinion?
Get shortlist help from a software advisor
Share your priorities, budget, and team needs, and we’ll help you narrow the options and understand the tradeoffs before you talk to vendors.
How do PDF.js Express and LightPDF Compare on Features?
Total Features | 4 Features | 0 Features |
|---|---|---|
Unique Features | No unique features | No features |
Get Quote | Get Quote |
Compare PDF.js Express and LightPDF on pricing
Review starting price, plan structure, and free-trial access side by side so you can see which option fits your budget and buying process.
Pricing Option | ||
|---|---|---|
Starting From |
|
|
Pricing Plans |
|
|
Pricing Page |  | Pricing information not available |
Other Details
Organization Types supported |
|
|
|---|---|---|
Platforms Supported |
|
|
Modes of support |
|
|
API Support |
|
|
Get help choosing | Get help choosing |
Security & Compliance
Certifications, data handling, and security controls for IT and compliance evaluators.
HIPAA | ✗ No | — |
|---|---|---|
Data Residency | 🌐 Global | 🌐 Global |
PDF.js Express User Reviews & Rating Comparison
User Ratings | No reviews available for the product | |
|---|---|---|
Rating Distribution | No reviews available for this product | |
Spotsaas Editor’s POV generated by AI | No expert review available for this product | Buyer sentiment Users generally appreciate LightPDF's ease of use, comprehensive features, and AI enhancements, though some express frustration with performance issues and limited free access. What buyers like
Common complaints
|
Pros and Cons | No pros or cons available for this product |
|
Positive Reviews | No reviews available for the product | No reviews available for the product |
| Negative Reviews | No reviews available for the product | No reviews available for the product |
Media and Screenshots
Screenshots | No screenshots available. |  1 Screenshots |
|---|---|---|
Videos |  3 Videos |  2 Videos |
Top Alternatives to PDF.js Express and LightPDF in 2026
Alternatives |
|---|
Add another option to compare side by side
Search by product name to compare pricing, fit, and buyer feedback in one view.Compare similar software options
Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].
Frequently asked questions
- Which is better, PDF.js Express or LightPDF?
- LightPDF edges out the other on user ratings (4.7 vs -1.0). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
- Do PDF.js Express and LightPDF offer a free trial?
- PDF.js Express offers a free trial. LightPDF does not.
- What is the starting price of PDF.js Express vs LightPDF?
- PDF.js Express starts at $375 /Month. LightPDF starts at Contact for pricing.
- What are the top alternatives to PDF.js Express?
- Top alternatives to PDF.js Express include VectorViewer, PDFelement, Qualified, Workvivo, ComPDFKit.
- What are the top alternatives to LightPDF?
- Top alternatives to LightPDF include PDF Convert Free, Easy PDF, Smallpdf, Jotform PDF Editor, PDF.to.