The CodipyLabs Blog
Guides and tips to get the most out of our free tools.
How to Calculate Zakat: Step-by-Step Guide with Example
Learn how to calculate zakat on cash, gold, silver, shares and business stock. Understand nisab, hawl and the 2.5% rule with a fully worked example.
SEO Friendly URLs: How to Create the Perfect URL Slug
What makes a URL SEO friendly, how long a slug should be, hyphens vs underscores, and how to generate clean URL slugs online for free — with examples.
How to Generate an Article from Keywords with AI
A practical guide to using an AI article generator: choosing keywords, writing a good topic, editing the draft and publishing content that's actually helpful.
How Many Calories Should I Eat a Day? BMR & TDEE Explained
Work out how many calories you need a day to maintain, lose or gain weight. BMR and TDEE explained simply, with the formula and a worked example.
Title Case vs Sentence Case: Which Should You Use for Headings?
Title case or sentence case? Learn the rules for each, how AP, APA and Chicago styles differ, and which one works best for blog titles, headings and buttons.
UTM Parameters Explained: How to Track Campaigns in GA4
What UTM parameters are, how to use utm_source, utm_medium and utm_campaign correctly, naming conventions that keep GA4 reports clean, and mistakes to avoid.
Favicon Sizes Guide: Which Icons Does Your Website Need?
Every favicon size your website needs — favicon.ico, 32×32 PNG, Apple touch and Android icons — with the HTML code and tips to show up in Google.
Social Media Image Sizes: Cheat Sheet for Every Platform
Correct image sizes for Instagram, Facebook, X, LinkedIn, YouTube, TikTok and Pinterest posts, stories, covers and thumbnails — plus tips to avoid cropping.
Meta Title and Description: How to Write Them for SEO (With Examples)
How to write an SEO title and meta description that get clicks: ideal lengths, proven formulas, real examples and mistakes to avoid — plus a free generator.
How to Remove an Image Background for Free
Get a clean, transparent background for product photos, profile pictures and logos — automatically, in your browser, with no signup.
How Do We Calculate BMI? Formula, Examples & Chart
How to calculate BMI in kg/m and lb/in, with step-by-step worked examples, the adult BMI chart, healthy weight ranges and the limits of BMI.
How to Compress an Image Without Losing Quality (Free)
Compress JPG, PNG and WEBP images without losing quality: the best quality settings, when to resize, which format to use, and free in-browser tools.
How to Merge PDF Files for Free (Without Watermarks)
Combine multiple PDFs into one document in seconds — right in your browser, with no uploads, no watermarks and no signup required.