Google Play Verified Developer

High-Performance Android Apps.
Private & Offline-First.

Welcome to the official developer portal for Krishna Tech Hub. We craft blazing-fast, distraction-free Android tools designed to keep your personal data strictly on your device.

Explore The 3 Apps Developer & Policies

100% Offline-First

Your documents, scans & habits are processed locally. Zero remote cloud storage.

Native Hardware Speed

Zero Watermarks

Clean exports on all PDF & QR outputs. Professional, modern and ad-compliant.

The Application Suite

Built for Your Daily Workflow

Select an application below to view features, install from Google Play, or read its official privacy policy.

PDF Hub All-in-One Studio

PDF Editor & Image Toolkit

ID: com.pdfhub

A comprehensive mobile PDF suite to convert, merge, split, and optimize documents without relying on cloud services. Built for privacy, speed, and seamless daily productivity.

✓ Merge & Split Multiple PDFs
✓ Convert Images to PDF & PDF to JPG
✓ Smart PDF Compression (No Quality Loss)
✓ Unlock & Password Protect Files
✓ On-Device OCR Text Extraction
✓ 100% Offline & No Output Watermarks

Get on Google Play

QR Hub 120 FPS ML Kit

Ultimate QR & Barcode Studio

ID: com.qr.hub

Lightning-fast scanner and professional designer studio. Scan QR and barcodes at 120 FPS using Google ML Kit, or create branded custom QR codes with unique logos, colors, and A4 printable label sheets.

✓ 120 FPS Ultra-Fast Scanner (Google ML Kit)
✓ Custom Designer QR Studio (Logos, Frames & Colors)
✓ 1D Barcode Studio & Pre-cut A4 Sticker Printing
✓ Instant Wi-Fi, Contacts (vCard), URLs & SMS
✓ Offline Batch Scanning & History CSV Export
✓ 100% Private, Secure by Design & Zero Tracking

Get on Google Play

ScrollCount Digital Wellbeing

Reels & Shorts Usage Tracker

ID: com.techhub.scrollcount

Reclaim your focus and time from endless scrolling. ScrollCount monitors your Reels and Shorts viewing sessions in real time, giving you clear analytics and mindful nudges to build healthier digital habits.

✓ Automatic Scroll Counting on Reels & Shorts
✓ Daily & Weekly Screen Time Insights
✓ Mindful Session Limits & Break Reminders
✓ Battery-Optimized Background Engine
✓ 100% On-Device Statistics (No Account Needed)
✓ Clean & Minimalist Visual Trend Charts

Get on Google Play

Our Core Principles

Designed with Ethics & Integrity

We believe mobile utilities should empower users, not exploit their attention or harvest their private data.

Strict Local Privacy

Every file you convert, barcode you scan, or activity you track stays confined to your phone's sandbox storage. No hidden server uploads or third-party data selling.

Lightweight Architecture

Zero background battery drain. Minimal APK sizes, instant cold starts, and hardware-accelerated rendering using modern Android Jetpack libraries.

No Dark Patterns

No forced full-screen subscription walls or deceptive interfaces. Transparent permissions, direct offline functionality, and clean outputs without forced branding.

Verification & Support

Official Developer Information

Official details for Google Play Store compliance, ad inventory verification, and direct user support.

AdMob & Store Verification

VERIFIED ACTIVE

This domain is the authorized official developer website for Krishna Tech Hub's Google Play Console profile and hosts verified app-ads.txt inventory records for authorized crawler validation.

Google AdMob Publisher ID pub-5378252094188023

DIRECT

View app-ads.txt Specification

Contact & Support

Direct Developer Inquiries

Have questions, feedback, or need technical assistance with any of our applications? Contact developer support directly or track issues publicly on GitHub.

Official Support Email krishnatechhub@gmail.com

Send Email ↗

Report Issue or Feedback on GitHub