How do their growth rates compare?

LightPDF has a month-over-month growth rate of -15.3%; Qquest has —.

How does pricing compare?

LightPDF: Freemium. Freemium. A free plan covers basic PDF tools with a 10MB file cap; paid plans start around $5.99/month, with a yearly tier and a one-time lifetime option. AI features consume monthly credits that differ by plan. Qquest: Freemium, Free. Qquest is offered as a free Chrome extension distributed through the Chrome Web Store. The catalog entry is tagged Free/Freemium, implying that paid tiers may exist on the vendor's website, but no published price is confirmed here.

What are alternatives to LightPDF and Qquest?

Other tools in related categories include ChatGPT, Claude, DeepL, PDFgear, PDNob PDF Editor.

Head-to-Head Benchmark

LightPDF vs Qquest

LightPDF records 1,742,568 monthly visits with -15.3% month-over-month growth and Freemium pricing. Qquest records 0 monthly visits with — growth and Freemium, Free pricing.

LightPDFFreemiumTraffic Leader

Free AI-powered PDF editor, converter and reader for every device

Monthly Visits

1.74M

MoM Velocity

-15.3%

Top Market

🇮🇳 India

View LightPDF Analysis

lightpdf.com

QquestFreemium, Free

Ask your files and databases questions in plain language

Monthly Visits

0

MoM Velocity

—

Top Market

🌐 Global

View Qquest Analysis chromewebstore.google.com

Side-by-Side Traffic & Specification Matrix

Dimension / Metric	LightPDF	Qquest
Official Domain	lightpdf.com	chromewebstore.google.com
Pricing Model	Freemium	Freemium, Free
Monthly Visits	1.74M (1,742,568)	0 (0)

Primary Market & Share	🇮🇳 India (24.9%)	🌐 Global (—)

Direct Visits / mo	442.07K	0

User Rating	4.2	3.4

Supported Platforms	Website	Browser Extension

LightPDF

Free AI-powered PDF editor, converter and reader for every device

AI document agent and chat

Upload a PDF and ask questions in natural language, follow up on details and see which passages the answers came from. A separate chat mode works with YouTube videos.

Layout-preserving translation

Translate whole documents, including scanned and image-based PDFs, into 20+ languages while keeping the original formatting and layout intact.

AI data extraction to spreadsheets

Convert invoices, receipts, bank statements and purchase orders into structured, editable Excel files automatically.

Full PDF editing and conversion suite

Edit text and images, OCR scanned pages, convert to and from Office formats, then merge, split, compress, watermark, sign and annotate.

Strengths & Pros

+Very broad toolkit that covers both everyday PDF chores and advanced AI document tasks
+Free tier is usable for light jobs, and the paid plans are cheaper than many competing PDF editors
+Layout-preserving translation and AI data extraction handle scanned documents that trip up simpler tools
+One subscription covers five platforms, including desktop and mobile apps

Frequently Asked Questions: LightPDF vs Qquest

LightPDF has 1,742,568 monthly visits, while Qquest has 0. Traffic estimates describe audience size, not product quality.

More Head-to-Head Matchups

Best Alternatives to LightPDF & Qquest (12)

Limitations

–Free plan caps files at 10MB and adds watermarks on some outputs
–AI features run on a credit system, so heavy usage means top-ups or a higher tier
–Advanced AI operations like text editing or logo removal consume credits quickly

Qquest

Ask your files and databases questions in plain language

Natural-language querying

Ask about the contents of documents and tables in everyday language and receive a conversational answer instead of raw query syntax.

Works across files and databases

The extension is designed to work with PDF, CSV and TXT files as well as connected databases, covering both document sets and structured tables.

Conversational answers

Turns data lookups into short dialogue so follow-up questions can refine an answer without redefining a whole query.

Browser-native, low setup

Runs inside Chrome as a lightweight extension rather than a standalone analytics suite, so there is almost nothing to install or configure.

Strengths & Pros

+Installs as a small Chrome extension with essentially no configuration
+Accepts natural-language questions, so SQL or spreadsheet expertise is not required
+Covers both documents (PDF, CSV, TXT) and databases in one tool
+Conversational format supports quick follow-up questions

Limitations

–The extension has a very small install base and no user ratings, so real-world reliability is unproven
–It depends on qquest.io's servers for AI processing, so the experience stops if that backend is unavailable
–Stored PDF, CSV and database snippets contain sensitive data, which raises privacy review requirements

01

ChatGPT

6B/mo

SpecialistOpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.

AI ChatbotFreemium+2.2%

02

Claude

1.3B/mo

SpecialistAnthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing.

AI AssistantFreemium+23.8%

#2

03

DeepL

95.1M/mo

SpecialistEnterprise-grade neural machine translation, AI writing refinement, and real-time voice translation across thirty-plus global languages.

AI TranslateFreemium63% direct

#3

04

PDFgear

2.8M/mo

Offers a completely free PDF editing and AI assistant experience, but lacks some of LightPDF's cloud-native collaboration features.

AI PDFFree24% direct

PDFgear editor interface showing PDF text editing and AI chat panel

05

PDNob PDF Editor

2.4M/mo

Offers a robust desktop suite for OCR and editing, but requires software installation unlike cloud platforms.

AI PDF EditorFreemium, Free Trial, Paid+1.2%

Screenshot of PDNob PDF Editor editing a PDF with the AI summary panel open

06

pdf.net

1.3M/mo

Provides quick browser-based PDF editing and e-signatures, but has a less advanced conversational AI assistant.

AI SummarizerFreemium, Free14% direct

Screenshot of the pdf.net dashboard with numbered tools for editing, converting and signing PDF documents

07

UPDF AI

1.1M/mo

Provides a more polished cross-platform desktop PDF editing suite, but requires a paid upgrade for full AI features.

AI PDFFreemium, Free Trial, Paid19% direct

Screenshot of UPDF AI showing a summarised PDF beside the document and AI chat panel

08

ChatPDF

1M/mo

Offers a streamlined conversational interface for querying PDFs, but provides fewer document editing and conversion utilities.

AI PDFFreemium44% direct

Screenshot of ChatPDF with an uploaded research paper and a chat thread containing answers linked to source pages

09

Tabbit Browser

671K/mo

The agentic AI browser that reads your tabs, files, and screenshots as context

AI BrowsersFreemium85% direct

Tabbit Browser screenshot with the Agent task panel and Agentic Skills library visible

10

Thunderbit

391.7K/mo

Agentic web scraper that turns any page into ready-to-use data

AI Web ScrapingFreemium, Contact for Pricing20% direct

11

PDF.ai

387.8K/mo

Excels at developer API integration and chatting with PDFs, but lacks comprehensive traditional PDF editing tools.

AI PDFFreemium, Free Trial33% direct

12

AskYourPDF

127.7K/mo

Features interactive PDF chat and form filling, but has fewer advanced desktop editing and conversion options.

AI PDFFreemium+14.1%

Screenshot of AskYourPDF's document library and chat interface for asking questions about uploaded PDFs

#1

Visit

ChatGPT

6B/mo+2.2%

Official

SpecialistOpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.

AI Chatbot73% direct

Freemium

Visit

Claude

1.3B/mo+23.8%

Official

SpecialistAnthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing.

AI Assistant72% direct

Freemium

Visit

DeepL

95.1M/mo

Official

SpecialistEnterprise-grade neural machine translation, AI writing refinement, and real-time voice translation across thirty-plus global languages.

AI Translate63% direct

Freemium

Visit

PDFgear

2.8M/mo

Offers a completely free PDF editing and AI assistant experience, but lacks some of LightPDF's cloud-native collaboration features.

AI PDF24% direct

Free

Visit

PDNob PDF Editor

2.4M/mo+1.2%

Official

Offers a robust desktop suite for OCR and editing, but requires software installation unlike cloud platforms.

AI PDF Editor22% direct

Freemium, Free Trial, Paid

Visit

pdf.net

1.3M/mo

Provides quick browser-based PDF editing and e-signatures, but has a less advanced conversational AI assistant.

AI Summarizer14% direct

Freemium, Free

Visit

UPDF AI

1.1M/mo

Official

Provides a more polished cross-platform desktop PDF editing suite, but requires a paid upgrade for full AI features.

AI PDF19% direct

Freemium, Free Trial, Paid

Visit

ChatPDF

1M/mo

Official

Offers a streamlined conversational interface for querying PDFs, but provides fewer document editing and conversion utilities.

AI PDF44% direct

Freemium

Visit

Tabbit Browser

671K/mo

The agentic AI browser that reads your tabs, files, and screenshots as context

AI Browsers85% direct

Freemium

Visit

Thunderbit

391.7K/mo

Agentic web scraper that turns any page into ready-to-use data

AI Web Scraping20% direct

Freemium, Contact for Pricing

Visit

PDF.ai

387.8K/mo

Excels at developer API integration and chatting with PDFs, but lacks comprehensive traditional PDF editing tools.

AI PDF33% direct

Freemium, Free Trial

Visit

AskYourPDF

127.7K/mo+14.1%

Features interactive PDF chat and form filling, but has fewer advanced desktop editing and conversion options.

AI PDF51% direct

Freemium

LightPDF vs Qquest

Side-by-Side Traffic & Specification Matrix

LightPDF

Strengths & Pros

Frequently Asked Questions: LightPDF vs Qquest

How do LightPDF and Qquest compare in monthly traffic?

How do their growth rates compare?

How does pricing compare?

What are alternatives to LightPDF and Qquest?

More Head-to-Head Matchups

Best Alternatives to LightPDF & Qquest (12)

Limitations

Qquest

Strengths & Pros

Limitations