Blog
Tips, guides, and tutorials — all centered around free browser tools.
Lorem Ipsum — What It Is and How to Use Placeholder Text Effectively
Lorem ipsum is the go-to placeholder text for design mockups and wireframes. Learn where it comes from, when to use it, and when to use real content instead.
How to Resize Images for Web, Social Media, and Print
Different contexts require different image dimensions. Learn the right sizes for websites, social media platforms, email, and print — and how to resize efficiently.
What Is Keyword Density and Does It Still Matter for SEO?
Keyword density was once a core SEO metric, but its role has changed significantly. Here's what it means, how to measure it, and what actually matters in 2026.
camelCase, snake_case, kebab-case — A Developer's Guide to Case Conventions
Different programming languages and contexts use different naming conventions. Learn when to use camelCase, snake_case, PascalCase, and kebab-case.
Password Security Best Practices for 2026
Weak passwords are still the most common cause of account breaches. This guide covers what actually makes passwords secure and how to manage them practically.
How to Write a robots.txt File — A Practical Guide
A robots.txt file tells search engine crawlers which pages to access and which to skip. Learn how to write one correctly and avoid common mistakes.
What Is a JWT Token and How Does It Work?
JSON Web Tokens are used in almost every modern web application for authentication. Learn what a JWT contains, how it's verified, and when to use it.
Social Media Character Limits — Complete Guide for 2026
Every major social media platform has different character limits for posts, bios, and comments. Here's the complete reference guide with limits for every placement.
HEX, RGB, and HSL — Color Formats Explained for Designers and Developers
HEX, RGB, and HSL are three ways to express the same colors in CSS and design tools. Learn what each format means, when to use it, and how to convert between them.
How to Calculate ROI — A Simple Guide for Anyone
Return on investment is one of the most useful business metrics but is often miscalculated. Learn what ROI is, the formula, and how to use it correctly.
What Is Markdown and Why Do Developers Love It?
Markdown is a lightweight markup language that converts plain text to formatted HTML. Learn what it is, how it works, and where it's used in modern development.
How to Reduce Image File Size Without Losing Quality
Large images slow down websites and hurt search rankings. Learn the practical techniques for reducing image file size while keeping images looking sharp.
How to Write SEO Meta Tags That Actually Get Clicks
Meta tags are the first thing users see in search results. Learn how to write title tags and meta descriptions that improve rankings and click-through rates.
What Is a Regular Expression? A Beginner's Guide to Regex
Regular expressions look intimidating but follow simple rules. This guide explains what regex is, how it works, and the most useful patterns to know.
What Is JSON? A Plain English Guide for Beginners
JSON is the most common data format on the web, but its syntax confuses beginners. This guide explains what JSON is, how it works, and when you'll encounter it.
Base64 Encoding Explained — What It Is and When to Use It
Base64 converts binary data into ASCII text for safe transmission. Learn what it is, when to use it, and how it differs from encryption.
MD5 vs. SHA-256 — Which Hash Function Should You Use?
MD5 and SHA-256 are both widely used hash functions but serve different purposes. Learn the differences and when each is appropriate.
What Is a URL Slug and Why Does It Matter for SEO?
A URL slug is the readable part of a web address after the domain. Learn how slugs affect search rankings, click-through rates, and site structure.
Complete Guide to URL Encoding for Developers
URL encoding converts special characters into a format that can be safely transmitted in web addresses. Here's what developers need to know.
Image Resizer vs. Image Compressor — When to Use Which
Resizing and compressing both reduce file size but work differently. Learn which approach to use for each situation.
How to Format JSON Without Installing Anything
Messy API responses waste time. This quick workflow helps you format, validate, and clean JSON directly in your browser.
Write Clean URLs in Seconds with a Slug Generator
Readable URLs improve SEO and sharing. Use this quick process to turn any headline into a clean, search-friendly slug.
Compress Images Before Uploading to Speed Up Pages
Large images slow pages and hurt conversions. Compress assets in-browser before upload to improve speed without extra software.
Test Regex Patterns Faster with Real Input
Regex can be fragile when edge cases appear. Use a browser-based workflow to test patterns quickly and avoid production surprises.
Improve On-Page SEO with Keyword Density Checks
Better SEO copy starts with balance. Check keyword usage quickly so pages stay relevant without sounding repetitive.
Create Strong Passwords Without Reusing Patterns
Weak or repeated passwords are still a major risk. Generate strong combinations quickly and check quality before you save them.