Tools, Tips & Tutorials
Expert guides on image optimization, PDF tools, AI writing, web performance, and developer productivity.
How to Crop Images Online for Free (Quick Guide)
A perfectly framed photo starts with a good crop. Here's how to crop any image online in seconds — completely free.
Image Upscaler Guide: How to Enlarge Photos Without Losing Quality
Need a bigger version of a small image without it turning into a blurry mess? Here's how smart upscaling works — and how to do it for free.
How to Batch Resize Multiple Images at Once (Free Online Tool)
Stop resizing images one by one. Here's how to resize a whole batch at once and download them all together — completely free.
How to Turn Scanned Documents into Searchable PDFs (Free OCR Guide)
A scanned document is just a picture of text — until you make it searchable. Here's how to add a real text layer to any scan, for free.
Free Online Age Calculator: Find Your Exact Age in Years, Months & Days
Ever needed your exact age down to the day — not just the year? Here's how to calculate it precisely, for free, in seconds.
How to Format and Beautify Messy HTML Code Instantly (Free Tool)
Staring at a wall of unformatted HTML? Here's how to turn it into clean, readable code in one click — completely free.
What Is E-E-A-T and How to Improve It for SEO (Free Checker Inside)
Google cares about who's behind your content — not just what it says. Here's what E-E-A-T means, and how to check yours for free.
How to Optimize Your Content for Google Featured Snippets
Position zero gets clicked before position one. Here's how to format your content to win that coveted featured snippet spot — free.
Hreflang Tags Explained: How to Validate Them for International SEO
Targeting multiple countries or languages? One missing hreflang tag can quietly tank your international SEO. Here's how to check yours.
JavaScript Rendering and SEO: How to Check What Search Engines Actually See
If your content only appears after JavaScript runs, search engines might be missing it entirely. Here's how to check — for free.
GMC Tools vs Smallpdf — Which One Should You Use in 2026?
Smallpdf gives you 2 free tasks per day. GMC Tools gives you unlimited. Here is a full honest comparison of both tools.
GMC Tools vs TinyPNG — Which Image Compressor is Actually Better?
TinyPNG is famous but has a 5MB limit and uploads your files. GMC Tools has no limits and works in your browser. Full comparison inside.
Best Free Grammar Checker in 2026 — Honest Review
Grammarly is famous but limited on the free plan. Here is an honest comparison of the best free grammar checkers in 2026, including one with no limits at all.
Free App Icon Generator — Create Android, iOS & PWA Icons in One Click
Upload one image and get all 24 app icon sizes for Android, iOS, and PWA in seconds — free, with custom colors, padding, and shape preview.
Android App Icon Sizes 2026: The Complete Guide (mdpi to xxxhdpi)
A complete reference for Android app icon sizes across all density buckets, plus the Play Store icon — and a free tool to generate them all at once.
iOS App Icon Size Guide: Every Size Apple Requires for App Store (2026)
A complete reference for every iOS app icon size Apple requires, including the special rules for the 1024px App Store icon — plus a free generator.
How to Create a Complete PWA Icon Set (Favicon, Apple Touch, Manifest) for Free
A step-by-step guide to generating and wiring up a complete PWA icon set — favicons, Apple touch icon, and manifest icons — for free.
App Icon Design Best Practices: Shape, Padding & Color Explained
Shape, padding, and color are the three decisions that make or break an app icon. Here is how to get each one right, with a free preview tool.
Free Favicon Generator: Create Every Favicon Size from One Image
A missing favicon makes a site look unfinished. Generate every favicon size you need from one image, free, with the code to wire it up.
GMC Tools App Icon Generator vs Icon Kitchen & MakeAppIcon: Honest Comparison
How does the free GMC Tools App Icon Generator compare to Icon Kitchen and MakeAppIcon? An honest, feature-by-feature breakdown.