
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. Rubtin records 0 monthly visits with 0% growth and Free pricing.

A privacy-first browser toolkit with 100+ PDF, image, developer and AI utilities
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | lightpdf.com | rubtin.com |
| Pricing Model | Freemium | Free |
| Monthly Visits | 1.74M (1,742,568) | 0 (0) |
| MoM Traffic Delta |
| -314.58K (-15.3%) |
| 0 (0%) |
| Primary Market & Share | 🇮🇳 India (24.9%) | 🌐 Global (—) |
|---|
| Direct Visits / mo | 442.07K | 0 |
|---|
| 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.

A privacy-first browser toolkit with 100+ PDF, image, developer and AI utilities
PDF, image, developer, finance, business, text and AI utilities share a single interface instead of living across separate sites.
Files are handled on the device rather than uploaded, which suits sensitive contracts, IDs, invoices and internal documents.
Merge, split, rotate, number pages, compress, and convert between JPG and PDF without installing a desktop PDF editor.
JSON, XML and SQL formatting, JWT decoding, hashing, Base64 and URL encoding, minifiers, regex testing and Markdown preview.

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.
#3Japanese software storefront bundling AI translation, OCR, transcription, and PDF tools
A free, AI-powered PDF editor for every device
Offers a robust desktop suite for OCR and editing, but requires software installation unlike cloud platforms.
200+ free browser tools for PDFs, images, video, files, and AI writing.
AI translation for text, images, documents and speech in 100+ languages

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

Cross-platform PDF editing with GPT-powered AI for reading, translating, and signing documents
Offers a streamlined conversational interface for querying PDFs, but provides fewer document editing and conversion utilities.
Multimedia utilities and AI tools for recording, converting and editing
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.
Japanese software storefront bundling AI translation, OCR, transcription, and PDF tools
Offers a robust desktop suite for OCR and editing, but requires software installation unlike cloud platforms.
200+ free browser tools for PDFs, images, video, files, and AI writing.
AI translation for text, images, documents and speech in 100+ languages
Provides quick browser-based PDF editing and e-signatures, but has a less advanced conversational AI assistant.
Multimedia utilities and AI tools for recording, converting and editing