Tutorials & how-tos
Practical guides for the tools we ship. New post most days.
image · 6 min read
Best Image Format for Web in 2026: Complete Guide
Choosing the right image format can cut load times by 30% and boost SEO. Here's what changed in 2026 and which format suits your needs.
May 10, 2026
qr · 6 min read
How to Make a Clickable WhatsApp Link in 3 Easy Steps
Want to drive conversations directly to WhatsApp? Creating a clickable WhatsApp link takes seconds and requires no technical skills. Here's exactly how.
May 10, 2026
qr · 6 min read
vCard QR Code Generator: Share Contact Info Instantly
A vCard QR code generator lets you encode your complete contact information into a scannable code. Learn how to create, customize, and deploy them effectively.
May 10, 2026
image · 6 min read
How to Compress Image for WhatsApp: Quick Guide
WhatsApp compresses photos automatically, but pre-compressing gives you control over quality. Discover the fastest way to compress images before sending.
May 10, 2026
qr · 6 min read
QR Code for Business Card: Setup Guide
QR codes on business cards turn paper into a gateway to your digital presence. Here's exactly how to generate, customize, and integrate them into your card design.
May 10, 2026
url · 6 min read
Shorten URL for WhatsApp: Best Practices & Security
WhatsApp URL sharing can expose you to phishing and clutter conversations. Here's how to shorten URLs safely and what security measures to take.
May 10, 2026
image · 6 min read
What Is HEIC Format? A Complete Guide for Users
HEIC is Apple's modern image format that offers better compression and quality than JPEG. We explain how it works, its advantages, and why compatibility remains an issue.
May 10, 2026
image · 6 min read
How to Compress Image to 100KB: A Step-by-Step Guide
Compress your images to exactly 100KB or smaller without losing quality. Discover the best methods, tools, and settings for any device.
May 10, 2026
image · 7 min read
PNG vs JPG vs WebP: Which Format Should You Use?
PNG, JPG, and WebP each have distinct strengths. Understand compression ratios, quality trade-offs, and when to use each format to optimize your images.
May 10, 2026
dev · 6 min read
How to Format JSON Online: A Developer's Guide
JSON formatting is essential for debugging and readability. Discover how to format JSON online quickly using free tools and best practices.
May 10, 2026
qr · 6 min read
QR Code for Restaurant Menu: Setup & Best Practices
QR code menus are reshaping how restaurants operate—but they're not without friction. Here's how to implement one that actually works for your guests and business.
May 10, 2026
qr · 6 min read
How to Make a wa.me Link: Complete Guide
wa.me links let you share WhatsApp conversations without requiring contacts to save your number first. Here's how to create them—and why they work.
May 10, 2026
image · 6 min read
How to Convert HEIC to JPG on Windows: 5 Methods
HEIC files from iPhones won't open on Windows by default. Here are the fastest ways to convert them to JPG format that works everywhere.
May 10, 2026
image · 6 min read
How to Compress an Image Without Losing Quality
Discover how to compress images without sacrificing quality. We'll walk you through the best methods, tools, and settings to shrink file sizes while keeping your photos sharp.
May 10, 2026
qr · 6 min read
How to Make a QR Code for WhatsApp
Learn how to generate QR codes for WhatsApp contacts, business profiles, and payment links—plus best practices for sharing and tracking engagement.
May 10, 2026