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LightPDF

A free, simple PDF toolkit for Windows, Mac, Android and iOS

★★★★★ 5.0/5
FactScore™ 54
VS

VidAU

All-in-One AI Video Ad Solution for Performance Marketing

★★★★★ 4.5/5
FactScore™ 63.2

Updated February 2026

LightPDF VidAU
Rating 5.0★ 4.5★
Reviews 11 24
Pros 20 19
FactScore™ 54 63.2

FactScore™ Comparison

FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.

54
LightPDF FactScore™
👑
63.2
VidAU FactScore™
★ VidAU wins on FactScore™

Pros & Cons

Only in LightPDF — Pros

Conversion tools Editing tools Intuitive interface Fast performance 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 protection

Both tools — Pros

High-quality output

Only in VidAU — Pros

Fast video creation Easy to use AI avatars No editing required Efficient for e-commerce High-quality visuals Cost-effective High ROI URL to video feature A/B testing Voiceover integration Multiple languages support Music integration Subtitle translation UGC video ads Batch video generation Lip-syncing effect Time-saving

Only in LightPDF — Cons

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Both tools — Cons

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Only in VidAU — Cons

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Details

LightPDF VidAU
Categories Productivity, Design & Creative Design & Creative, Marketing & Sales, AI Agents
Platforms Web · iOS · Android Web
Became Popular January 24, 2018 June 17, 2024
Website lightpdf.com www.vidau.ai

Who Should Pick Which?

Choose LightPDF if...

  • Conversion tools
  • Editing tools
  • Intuitive interface

Choose VidAU if...

  • Fast video creation
  • Easy to use
  • AI avatars

With a FactScore™ of 54 vs 63.2, VidAU leads in community reception. LightPDF uniquely offers Conversion tools and Editing tools, while VidAU stands out for Fast video creation and Easy to use.

3

What Users Say

LightPDF

A
Aaron Oct 15, 2024
★★★★★

Thank you so much, LightPDF is doing wonders!

M
Matriculaciones Oct 29, 2024
★★★★★

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...

R
RAJ Oct 15, 2024
★★★★★

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...

VidAU

D
Dott Sep 8, 2025
★★★★★

Tried VidAU on a couple of plain product shots and got surprisingly polished, social-native videos back—motion, scenes, voice, the works. It removes the “I need a studio/creator” blocker and lets y...

Frequently Asked Questions

Which is better, LightPDF or VidAU?

Based on FactScore™, VidAU leads with a score of 63.2 vs 54. VidAU has a higher rating of 4.5★ compared to 5.0★.

What are the pros of LightPDF compared to VidAU?

LightPDF uniquely offers: Conversion tools, Editing tools, Intuitive interface, Fast performance, AI-powered features.

What are the pros of VidAU compared to LightPDF?

VidAU uniquely offers: Fast video creation, Easy to use, AI avatars, No editing required, Efficient for e-commerce.

Is LightPDF better rated than VidAU?

LightPDF is rated 5.0★ from 11 reviews. VidAU is rated 4.5★ from 24 reviews.

What is the FactScore™ of LightPDF and VidAU?

FactScore™ weighs rating and review volume together. LightPDF scores 54 and VidAU scores 63.2.

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