Amar Lodhi
Founder, Vizo Tool
Writes practical, ad-free guides for Vizo Tool.
Articles by Amar Lodhi
25 posts20 Everyday Tasks You Can Complete Online Without Installing Software
From compressing images to formatting JSON, calculating EMI and generating QR codes — here are 20 practical everyday tasks you can complete entirely in your browser without installing anything.
SIP Calculator: How Much Should You Invest Monthly?
A practical guide to SIP planning: expected returns, step-ups, inflation, and how much to start with.
How to Convert HEIC to JPG: The Complete 2026 Guide
HEIC photos from your iPhone won't open on Windows or upload to many websites. Here's how to convert HEIC to JPG in seconds — no uploads, no sign-up.
How to Compress Images Without Losing Quality (2026 Guide)
A practical, no-nonsense guide to compressing images in your browser — target sizes, format trade-offs, and the mistakes that ruin quality.
YouTube Thumbnails: Download, Design & Get More Clicks
Thumbnails decide 90% of your clicks. Download any video's thumbnail in max resolution and learn the design system creators use.
JSON Formatter Guide: Beautify, Minify & Validate
Pretty-print, minify and validate JSON in seconds — plus the error messages that save you hours of debugging.
The Complete Guide to Meta Tags for SEO (2026)
Meta tags are the smallest, highest-ROI part of technical SEO. Learn exactly which ones matter and how to generate them perfectly.
Passport Photo Size Guide by Country (2026)
One wrong pixel and your visa application gets rejected. Here are the official passport photo sizes by country — and how to make one at home for free.
EMI vs Prepayment: What's the Real Cost of Your Loan?
Your EMI's interest component is front-loaded. Here's how to read an amortization table and decide when prepayment wins.
How to Generate QR Codes for WiFi, WhatsApp & Payments
Everything from menu QR codes to contactless payments, with colors, logos and high-res downloads.
JSON-LD Schema Markup: A Beginner's Guide
Structured data unlocks rich results: FAQ dropdowns, breadcrumbs and review stars. Here's how to add JSON-LD the right way.
How to Write YouTube Titles That Rank & Get Clicks
Your title does double duty: it tells the algorithm what your video is about and tells viewers why to click. Here's the system.
How to Remove Background from an Image in Seconds
The complete beginner's guide to AI background removal in the browser: how it works, how to get clean edges, and how to export without artifacts.
Income Tax India (FY 2025-26): Old vs New Regime
New regime or old? Here's how the slabs compare, who benefits from each, and how to estimate your tax in minutes.
Base64 Encoding Explained (With Real Examples)
Base64 powers email attachments, data URLs and API tokens. Here's a developer-friendly explainer with working examples.
How to Write a Meta Description That Gets Clicks
Meta descriptions don't affect rankings directly — they affect click-through rate, which absolutely does. Here's the formula.
Fixed Deposit Calculator: How Your Interest Actually Grows
FDs look simple — deposit money, earn interest. But compounding frequency and tenure choice change your returns more than you'd think.
SQL Formatting Best Practices Every Developer Should Know
Consistent SQL formatting makes reviews faster and bugs obvious. Learn the conventions teams actually use.
JPG vs PNG vs WEBP vs AVIF: Which Image Format Should You Use?
Transparency, file size, quality and browser support — everything you need to pick the right image format for the job.
Build a Sitemap & robots.txt in 5 Minutes
A quick, practical walkthrough of XML sitemaps and robots.txt, with generators so you never write XML by hand.
Password Security: How to Generate Unbreakable Passwords
The real rules of password strength, the entropy you should target, and a generator that does the math for you.
How to Estimate Any Website's Traffic (Without Analytics)
Competitor research without a spy tool: domain age, indexation, content quality and the signals that correlate with traffic.
How to Add a Watermark to Photos (Free & Private)
A step-by-step guide to watermarking photos in your browser: text styles, logo overlays, positioning presets and export formats.
Social Media Image Sizes 2026: The Complete Cheat Sheet
Posting at the wrong size gets you cropped or compressed. Bookmark this exact-dimension cheat sheet for every major platform.
How to Crop & Resize Images to Any Ratio
Stop stretching images. Learn the drag-to-crop workflow that produces perfect aspect ratios every time.
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