
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. Database Sample records 35,340 monthly visits with +69.1% growth and Freemium pricing.
Ready-made database schemas, sample data and an AI schema designer
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | lightpdf.com | databasesample.com |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 1.74M (1,742,568) | 35.34K (35,340) |
| MoM Traffic Delta |
| -314.58K (-15.3%) |
| +14.44K (+69.1%) |
| Primary Market & Share | 🇮🇳 India (24.9%) | 🇮🇳 India (20.4%) |
|---|
| Direct Visits / mo | 442.07K | 12.81K |
|---|
| 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.
Ready-made database schemas, sample data and an AI schema designer
Browse ready-made schemas by subject, each with an ER diagram, full column details and an automated design review that calls out missing keys and indexes.
Describe the data you need in plain English, compare generated designs, and download generated rows with working foreign keys in CSV, JSON, SQL, Prisma or Django formats.
Write schema as DBML text and watch the diagram update live, then query generated rows in PostgreSQL or SQLite, inspect the query plan and share the whole thing as one reproducible link.
Deterministically generated datasets with valid foreign keys, available in eight download formats with no account, no attribution and no restrictions.

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.
AI diagrams and technical design docs built from your code and systems
Free / Open-sourceReactive TypeScript backend with database, functions and AI gateway
Excels at developer API integration and chatting with PDFs, but lacks comprehensive traditional PDF editing tools.
An online whiteboard that mixes wireframing, diagramming, and AI agents
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.
AI diagrams and technical design docs built from your code and systems
Free / Open-sourceReactive TypeScript backend with database, functions and AI gateway
An online whiteboard that mixes wireframing, diagramming, and AI agents