How do their growth rates compare?

LightPDF has a month-over-month growth rate of -15.3%; Llumo has +74%.

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. Llumo: Freemium. Llumo is freemium: the core AI visibility tracking is free to use when you bring your own AI provider API keys, and you pay the underlying model providers directly with no platform markup. Managed AEO, SEO, and AI advertising services are available on a paid basis.

What are alternatives to LightPDF and Llumo?

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

Head-to-Head Benchmark

LightPDF vs Llumo

LightPDF records 1,742,568 monthly visits with -15.3% month-over-month growth and Freemium pricing. Llumo records 388 monthly visits with +74% growth and Freemium 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

LlumoFreemium

Free AI search visibility tracking across every major AI model

Monthly Visits

388

MoM Velocity

+74%

Top Market

🇵🇰 Pakistan

View Llumo Analysis llumohq.com

Side-by-Side Traffic & Specification Matrix

Dimension / Metric	LightPDF	Llumo
Official Domain	lightpdf.com	llumohq.com
Pricing Model	Freemium	Freemium
Monthly Visits	1.74M (1,742,568)	388 (388)
MoM Traffic Delta

Primary Market & Share	🇮🇳 India (24.9%)	🇵🇰 Pakistan (100%)

Direct Visits / mo	442.07K	230

User Rating	4.2	4.2

Supported Platforms	Website	Website

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 Llumo

LightPDF has 1,742,568 monthly visits, while Llumo has 388. Traffic estimates describe audience size, not product quality.

More Head-to-Head Matchups

Best Alternatives to LightPDF & Llumo (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

Llumo

Free AI search visibility tracking across every major AI model

Cross-model visibility tracking

Per-prompt visibility scores for your brand across every supported model, with competitor trend lines over time.

Share of voice and competitor comparison

See how often AI names you versus competitors in your market, and which brands are winning the categories you care about.

Citation and source analysis

Reveal which domains and pages AI cites most, track new and lost citations, and find where your brand is missing from the sources shaping answers.

Query fan-out insights

See the expanded searches AI engines actually run for each of your prompts, so you understand how your questions are interpreted and rewritten.

Strengths & Pros

+Free to use with your own API keys, with no platform markup on AI responses.
+Covers all the major answer engines in one place, including Google AI Overviews and Grok.
+Goes beyond raw metrics with prioritised, actionable optimisation opportunities.
+API and MCP access make it easy to fold visibility data into existing workflows.

Limitations

–Requires your own provider API keys, which means some setup and a separate provider account.
–Self-serve tracking is strong, but deeper strategic work leans on the paid managed services.

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

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

10

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

11

Otterly.ai

122.4K/mo

Track and improve how AI search engines mention your brand

AI MonitorFree Trial, Paid+3%

12

LLM Pulse

84.7K/mo

See what AI assistants really say about your brand.

AI SEO ToolsPaid35% direct

LLM Pulse dashboard showing AI prompt tracking, citations and share of voice

#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

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

Visit

Otterly.ai

122.4K/mo+3%

Track and improve how AI search engines mention your brand

AI Monitor47% direct

Free Trial, Paid

Visit

LLM Pulse

84.7K/mo

See what AI assistants really say about your brand.

AI SEO Tools35% direct

Paid

LightPDF vs Llumo

Side-by-Side Traffic & Specification Matrix

LightPDF

Strengths & Pros

Frequently Asked Questions: LightPDF vs Llumo

How do LightPDF and Llumo compare in monthly traffic?

How do their growth rates compare?

How does pricing compare?

What are alternatives to LightPDF and Llumo?

More Head-to-Head Matchups

Best Alternatives to LightPDF & Llumo (12)

Limitations

Llumo

Strengths & Pros

Limitations