AIAZHBlog
Tips, guides, and tutorials for working with PDFs, images, code, and more — all from your browser.
AI Tools →
Best AI Tools for Business — A Practical Guide for 2026
If you run a business, you've probably noticed something over the past year: the gap between companies that use AI well and companies that don't keeps...
May 2026
AI Writing Prompts — A Complete Guide for Better AI Output
Here's a truth I've learned from watching hundreds of people use AI tools: the difference between amazing results and garbage output is almost never a...
March 2026
AI Tools for Productivity — A Practical Guide for 2026
Let's be honest — we've all had those days where there just aren't enough hours. Between emails, meetings, actual work, and everything else, something...
February 2026Business Tools →
Track Time & Expenses — Free Timesheet & Expense Reports
Tracking employee time and business expenses is essential for project budgeting, client billing, and tax compliance. Our Timesheet Generator and Expen...
March 2026
Purchase Orders & Delivery Notes — Business Document Guide
Purchase orders, delivery notes, credit notes, and debit notes are essential for tracking transactions and maintaining clear records. Our Purchase Ord...
January 2026
Proforma Invoice Explained — Free Online Invoice Generator
A proforma invoice is a preliminary document sent by a seller to a buyer before goods or services are delivered. It outlines the expected costs, quant...
June 2026Database Design →
POS System Database Schema Design
The products table is the foundation. Fields include product_id (PK), sku (unique stock-keeping unit), barcode, product_name, description, category_id...
January 2026
HRMS Database Schema Guide
The employees table is the central entity. Fields include employee_id (PK), employee_code (unique alphanumeric identifier), first_name, last_name, dat...
January 2026
Hospital Management System Database Design
Every HMS database centers around the patient. The patients table stores demographics, contact information, and medical history references. Each patie...
May 2026Developer Tools →
Text Diff Checker — Compare Text Online Free Side by Side
Comparing two versions of text to find differences is a daily task for developers, writers, editors, and researchers. A text diff checker highlights e...
June 2026
QR Codes: Generate, Scan, and Create QR Codes Online
QR codes are two-dimensional barcodes that store data like URLs, text, contact information, and Wi-Fi credentials. They are scanned by smartphone came...
January 2026
Online JSON Formatter & Validator — Format and Validate JSON
JSON is the most common data format for APIs and web applications. Raw JSON is often minified and difficult to read. A JSON formatter beautifies the s...
February 2026Financial Calculators →
VAT Calculator Guide — Add and Remove VAT Online Free
Value Added Tax (VAT) is a consumption tax applied to most goods and services. Businesses registered for VAT must charge it on their sales and can rec...
April 2026
Savings & Retirement Calculators — Plan Your Future
Financial security does not happen by accident — it requires planning, discipline, and the right tools to guide your decisions. Whether you are saving...
February 2026
Salary Calculator — Calculate Take-Home Pay After Tax Online
Understanding your actual take-home pay is essential for financial planning. The salary figure in your job offer or contract is the gross amount befor...
April 2026Health Tools →
Wellness & Daily Health Tools — Sleep, Heart Rate & More
Wellness is more than just the absence of illness — it is an active process of making choices that support your physical and mental health. Daily well...
June 2026
TDEE Calculator Guide — Understanding Your Total Daily Energy Expenditure
TDEE stands for Total Daily Energy Expenditure. It's the total number of calories your body burns in a single day. Every breath you take, every step y...
March 2026
Sleep Cycle Calculator Guide — How to Wake Up at the Right Time
Sleep isn't a single continuous state. Your brain cycles through different stages throughout the night, each lasting about ninety minutes. A complete ...
May 2026Image Tools →
Social Media Image Sizes Cheat Sheet — Resize for Every Platform
Every social media platform displays images at specific aspect ratios and pixel dimensions. Uploading the wrong size means your carefully crafted cont...
February 2026
How to Resize & Compress Images Online Free
Large images slow down websites, eat up bandwidth, and frustrate visitors. Whether you are a blogger, e-commerce store owner, or social media manager,...
April 2026
JPG vs PNG vs WebP — Which Image Format Should You Use?
JPEG, PNG, and WebP are the three most common image formats on the web. Each has strengths and trade-offs. JPEG offers small file sizes with lossy com...
June 2026PDF Tools →
Secure Your PDFs: Protect, Unlock & Watermark Online Free
PDF security is essential for protecting sensitive information. Whether you need to password-protect a confidential document, remove protection from a...
June 2026
PDF Tips and Tricks: Merge, Split, and Manage Documents
Large PDFs are hard to share via email or messaging apps. Our PDF Splitter lets you extract specific pages or split a document into multiple files. Ju...
May 2026
How to Merge, Split & Reorder PDF Pages Online Free
PDFs are the standard format for documents, but they are not always in the right shape. You might need to combine multiple PDFs into one, split a larg...
July 2026Privacy →
Why Privacy-First Online Tools Matter
Traditional online tools work like this: you upload a file, their server processes it, and you download the result. Sounds simple, but consider what h...
April 2026
Data Privacy Best Practices — Safe Online Tool Usage Guide
Every time you use an online tool — whether it is an image resizer, a PDF editor, a document converter, or a file compressor — you are making a decisi...
February 2026
Client-Side vs Server-Side Tools — Privacy & Performance Guide
Most online tools on the internet today operate on a server-based model. When you use a typical image resizer, PDF converter, or document editor on an...
June 2026SEO Tools →
Title Tag Optimization Guide — How to Write SEO Titles That Rank
Your title tag is the blue clickable headline that appears in Google search results. It's the first thing someone sees when deciding whether to visit ...
March 2026
Schema & Structured Data Guide — JSON-LD for Rich Results
Structured data, also known as schema markup, is one of the most powerful and effective SEO techniques available today for helping search engines unde...
May 2026
Robots.txt & XML Sitemap Guide — Control Crawling & Indexing
Robots.txt and XML sitemaps are two of the most important technical SEO files you can and should create for your website right away, and they work tog...
May 2026