Skip to main content
Mohammed Razi Kallai Logo

Technical Blog

Featured

Building an AI Video Creation Pipeline: From Story to YouTube

A step-by-step guide to building an automated AI video production pipeline — from story generation and character creation to image-to-video, audio, subtitles, and YouTube upload.

AIVideo GenerationContent Creation
2025-03-104 min read
Featured

Razi.pro Agentic Unified Chatbot: RAG‑Powered Automation + Tool Combos

How to use Razi.pro’s agentic, RAG‑powered unified chatbot to orchestrate tools, automate workflows, and get intent‑aligned results—with lots of real examples.

Agentic AIRAGChatbot
2025-11-156 min read
Featured

A Complete Overview of My Automated Contact Form Using n8n and Real‑Time Response System

How a simple Next.js form, a secure API, and an n8n workflow work together to log messages, alert me instantly, and send a personalized reply—automatically.

Next.jsn8nAutomation
2025-11-135 min read

Building Serverless Workflows: Integrating n8n with Next.js

Complete guide to connecting n8n automation workflows with Next.js applications for powerful serverless automation.

n8nNext.jsAutomation
2024-01-153 min read

How to Merge PDF Files Online for Free — No Signup Required

Learn how to combine multiple PDF files into one document online for free. Step-by-step guide with tips for reordering pages and optimizing file size.

PDFToolsProductivity
2025-06-155 min read

How to Compress Images for Web Without Losing Quality

Complete guide to image compression for websites. Learn WebP, AVIF formats, batch compression, and how to reduce image size by up to 80% while maintaining quality.

ImagesWeb PerformanceWebP
2025-06-106 min read
Featured

15 Best Free Online Developer Tools in 2026

Curated list of the best free online developer tools for JSON formatting, JWT decoding, Base64 encoding, SQL generation, QR codes, and more. No signup required.

Developer ToolsProductivityFree Tools
2026-03-127 min read

How to Remove Image Background Online for Free Using AI

Remove image backgrounds instantly with free AI-powered tools. No Photoshop needed. Works for product photos, portraits, and logos.

AIImage EditingBackground Removal
2025-05-104 min read

How to Extract Text from Images and PDFs Using OCR

Free OCR guide: extract text from images, screenshots, scanned documents, and PDFs. Supports multiple languages with high accuracy.

OCRText ExtractionPDF
2025-04-255 min read

How to Generate Custom QR Codes for Free — Complete Guide

Create free QR codes for URLs, text, WiFi, and more. Customize colors, size, and error correction. No signup, no watermarks.

QR CodeMarketingFree Tools
2025-04-154 min read
Featured

10 Practical n8n Workflow Automation Examples for Developers

Real-world n8n workflow examples: automated email notifications, data syncing, API integrations, Slack bots, and more. Copy-paste ready templates.

n8nAutomationWorkflows
2025-04-058 min read

How to Compress PDF Without Losing Quality — Free Online Tool

Reduce PDF file size by up to 80% while maintaining text and image quality. Free online PDF compressor with no signup required.

PDFCompressionFree Tools
2025-03-254 min read

Automating Flutter App Deployments with GitLab CI/CD

Reduce Flutter app deployment time from hours to minutes with automated CI/CD pipelines.

FlutterCI/CDGitLab
2024-01-104 min read

Building Scalable Microservices with .NET Core and Redis

Architecture patterns for building high-performance microservices using .NET Core, Redis caching, and rate limiting.

.NET CoreMicroservicesRedis
2024-01-055 min read

Implementing UAEPass OAuth 2.0 Authentication

Complete guide to integrating UAEPass SSO for government applications in the UAE.

OAuthUAEPassAuthentication
2023-12-204 min read

Achieving Zero-Downtime Deployments with GitLab and Shell Scripts

How we reduced deployment time by 90% and achieved zero-downtime releases across 20+ servers.

DevOpsGitLabDeployment
2023-12-154 min read