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

LightPDF records 1,742,568 monthly visits with -15.3% month-over-month growth and Freemium pricing. SetSmart records 57,378 monthly visits with -14.6% growth and Free Trial, Paid pricing.
Turn social DMs into booked sales calls — automatically, 24/7.
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | lightpdf.com | setsmart.io |
| Pricing Model | Freemium | Free Trial, Paid |
| Monthly Visits | 1.74M (1,742,568) | 57.38K (57,378) |
| MoM Traffic Delta |
| -314.58K (-15.3%) |
| -9.84K (-14.6%) |
| Primary Market & Share | 🇮🇳 India (24.9%) | 🇺🇸 United States (17%) |
|---|
| Direct Visits / mo | 442.07K | 36.89K |
|---|
| User Rating | 4.2 | 4.3 |
|---|
| Supported Platforms | Website | Website |
|---|

Free AI-powered PDF editor, converter and reader for every device
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.
Translate whole documents, including scanned and image-based PDFs, into 20+ languages while keeping the original formatting and layout intact.
Convert invoices, receipts, bank statements and purchase orders into structured, editable Excel files automatically.
Edit text and images, OCR scanned pages, convert to and from Office formats, then merge, split, compress, watermark, sign and annotate.
Turn social DMs into booked sales calls — automatically, 24/7.
The AI agent answers DMs on Instagram, WhatsApp, and Messenger 24/7, asks qualifying questions, and handles objections in a natural conversation.
Leads are qualified by goal, timeline, and commitment, then booked directly onto your calendar via Calendly, Cal.com, GoHighLevel, or iClosed.
Send voice notes, understand images, reply in multiple languages, and run automated follow-up sequences to keep warm leads from going cold.
DM keyword triggers, comment auto-replies, story reply automation, and broadcast campaigns start and Continue conversations from posts and stories.

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

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

SpecialistEnterprise-grade neural machine translation, AI writing refinement, and real-time voice translation across thirty-plus global languages.
#3Offers a completely free PDF editing and AI assistant experience, but lacks some of LightPDF's cloud-native collaboration features.
Offers a robust desktop suite for OCR and editing, but requires software installation unlike cloud platforms.

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

Provides a more polished cross-platform desktop PDF editing suite, but requires a paid upgrade for full AI features.
Offers a streamlined conversational interface for querying PDFs, but provides fewer document editing and conversion utilities.
Excels at developer API integration and chatting with PDFs, but lacks comprehensive traditional PDF editing tools.

24/7 AI receptionists plus trained human agents for calls, chat, and intake

Omnichannel AI agents that capture, qualify, and convert leads across WhatsApp, Instagram, voice, and web
Features interactive PDF chat and form filling, but has fewer advanced desktop editing and conversion options.
SpecialistOpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
SpecialistAnthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing.
SpecialistEnterprise-grade neural machine translation, AI writing refinement, and real-time voice translation across thirty-plus global languages.
Offers a robust desktop suite for OCR and editing, but requires software installation unlike cloud platforms.
Provides quick browser-based PDF editing and e-signatures, but has a less advanced conversational AI assistant.
24/7 AI receptionists plus trained human agents for calls, chat, and intake
Omnichannel AI agents that capture, qualify, and convert leads across WhatsApp, Instagram, voice, and web
Features interactive PDF chat and form filling, but has fewer advanced desktop editing and conversion options.