LightPDF
A free, simple PDF toolkit for Windows, Mac, Android and iOS
Specify
Your Design Tokens Engine
Updated February 2026
| LightPDF | Specify | |
|---|---|---|
| Rating | 5.0★ | 5.0★ |
| Reviews | 11 | 1 |
| Pros | 20 | 0 |
| FactScore™ | 54 | 15.1 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in LightPDF — Pros
Conversion tools Editing tools Intuitive interface Fast performance High-quality output AI-powered features Annotation tools Excellent customer support OCR support Secure file processing Batch processing Free tier Multi-platform support Wide range of file formats Document management No registration required Collaboration capabilities E-signatures Fillable PDF forms Password protectionBoth tools — Pros
—Only in Specify — Pros
No unique pros listedOnly in LightPDF — Cons
—Both tools — Cons
—Only in Specify — Cons
—Details
| LightPDF | Specify | |
|---|---|---|
| Categories | Productivity, Design & Creative | Design & Creative, Interface design tools, Automation tools, Design resources |
| Platforms | Web · iOS · Android | Web |
| Became Popular | January 24, 2018 | February 8, 2019 |
| Website | lightpdf.com | specifyapp.com |
Who Should Pick Which?
Choose LightPDF if...
- Conversion tools
- Editing tools
- Intuitive interface
Choose Specify if...
- No unique pros listed
With a FactScore™ of 54 vs 15.1, LightPDF leads in community reception. LightPDF uniquely offers Conversion tools and Editing tools, while Specify stands out for No unique pros listed.
What Users Say
LightPDF
Thank you so much, LightPDF is doing wonders!
I've been using LightPDF recently and am impressed with all the tools it offers for working with PDF files. This free and secure platform has features that go far beyond the basics: from conversion...
nmatched in its ability to edit PDFs, allowing you to modify text, images, and layouts seamlessly. Excel files can be converted to PDFs and vice versa, retaining full formatting, including tables a...
Specify
💥 Specify is an absolute game-changer for our product cycle! 🚀 It works like a charm, streamlining our design and dev teams with ease. Collecting design tokens and assets from Figma and storing t...
Related Comparisons
Frequently Asked Questions
Which is better, LightPDF or Specify?
Based on FactScore™, LightPDF leads with a score of 54 vs 15.1. LightPDF has a higher rating of 5.0★ compared to 5.0★.
What are the pros of LightPDF compared to Specify?
LightPDF uniquely offers: Conversion tools, Editing tools, Intuitive interface, Fast performance, High-quality output.
What are the pros of Specify compared to LightPDF?
Specify uniquely offers: No unique pros listed.
Is LightPDF better rated than Specify?
LightPDF is rated 5.0★ from 11 reviews. Specify is rated 5.0★ from 1 reviews.
What is the FactScore™ of LightPDF and Specify?
FactScore™ weighs rating and review volume together. LightPDF scores 54 and Specify scores 15.1.
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