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⚡ AI Lessons
Dev.to · swift king
📣 Digital Marketing & Growth
⚡ AI Lesson
2mo ago
The Missing 180px Icon That Cost a Brand 6 Months of iPhone Impressions
I audited a client site that had been live for six months. On a hunch, I added their site to my...
Dev.to · swift king
📣 Digital Marketing & Growth
⚡ AI Lesson
2mo ago
WebP to PNG: How I Saved Our Email Campaign in 10 Minutes
I spent weeks optimizing our landing page images as WebP. Page load dropped 40%. Lighthouse score hit...
Dev.to · swift king
🖌️ UI/UX Design
⚡ AI Lesson
2mo ago
SVG to PNG: The DPI Setting That Kept Getting My Work Rejected
A print shop rejected my client banner artwork three times. The reason? "72 DPI — unacceptable for...
Dev.to · swift king
📣 Digital Marketing & Growth
⚡ AI Lesson
2mo ago
WebP to PNG: How I Saved Our Email Campaign in 10 Minutes
I spent weeks optimizing our landing page images as WebP. Page load dropped 40%. Lighthouse score hit...
Dev.to · swift king
🖌️ UI/UX Design
⚡ AI Lesson
2mo ago
SVG to PNG: The DPI Setting That Kept Getting My Work Rejected
A print shop rejected my client banner artwork three times. The reason? "72 DPI — unacceptable for...
Dev.to · swift king
🖌️ UI/UX Design
⚡ AI Lesson
2mo ago
SVG to PNG: The DPI Setting That Kept Getting My Work Rejected
A print shop rejected my client banner artwork three times. The reason? "72 DPI — unacceptable for...
Dev.to · swift king
🖌️ UI/UX Design
⚡ AI Lesson
2mo ago
SVG to PNG: The DPI Setting That Kept Getting My Work Rejected
A print shop rejected my client banner artwork three times. The reason? "72 DPI — unacceptable for...
Dev.to · swift king
🖌️ UI/UX Design
⚡ AI Lesson
2mo ago
SVG to PNG for Print: The Resolution Settings I Learned After a $2,300 Brochure Disaster
A client of mine runs a boutique tea company. Last fall they printed 5,000 brochures for a trade show...
Dev.to · swift king
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
Why I Stopped Using Upload-Based Image Converters for Client Work
I build and optimize websites for a living. That means converting images between formats constantly —...
Dev.to · swift king
📣 Digital Marketing & Growth
⚡ AI Lesson
2mo ago
How to Set Up Code 128 Barcodes for a Small Warehouse — What I Learned at Amazon
I configured barcode systems for three different Amazon facilities over 12 years. Every time I walk...
Dev.to · swift king
📣 Digital Marketing & Growth
⚡ AI Lesson
2mo ago
What I Learned About Barcode Specs After 12 Years in Amazon Warehouses
I spent 12 years on the Amazon inbound dock. Every box, every case, every unit — scanned. Over those...
Dev.to · swift king
🔐 Cybersecurity
⚡ AI Lesson
2mo ago
I Analyzed 200 Free Online Tools — 87% Upload Your Files Without Clear Disclosure
Last week I ran a systematic test. I opened 200 free browser-based utility tools — converters,...
Dev.to · swift king
🖌️ UI/UX Design
⚡ AI Lesson
2mo ago
Your SVG Files Have Hidden Metadata — Here's How to Strip It Before Converting
I discovered this by accident. A client sent me an SVG logo for conversion. I converted it to PNG at...
Dev.to · swift king
🖌️ UI/UX Design
⚡ AI Lesson
2mo ago
I Compressed 1000 Images in the Browser — What I Learned About Client-Side Performance
Last week I needed to compress 1000 product photos for a site migration. Uploading them to a cloud...
Dev.to · swift king
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
I Built a File Converter That Handles 16 Formats in the Browser — No Upload Required
A client once sent me a PDF invoice and asked for it as a CSV. Then sent a HEIC photo that needed to...
Dev.to · swift king
🌐 Frontend Engineering
⚡ AI Lesson
3mo ago
Building a Zero-Dependency Barcode Scanner with the Web Barcode Detection API
I spent three years scanning barcodes with $2,000 Zebra industrial imagers on an Amazon dock. When I...
Dev.to · swift king
🖌️ UI/UX Design
⚡ AI Lesson
3mo ago
Why Converting WebP to PNG Isn't Just Save As
Last week I needed to convert 200 WebP images to PNG for a print project. My first instinct: convert...
Dev.to · swift king
🎨 Image & Video AI
⚡ AI Lesson
3mo ago
WebP's Compression Secret: How a 1MB PNG Becomes a 200KB WebP
I used to think WebP was just "JPEG but newer." Then I dug into the actual compression pipeline, and...
Dev.to · swift king
🌐 Frontend Engineering
⚡ AI Lesson
3mo ago
Zero-Dependency Favicon Generation with Canvas API — Build Your Own in 50 Lines
Every React project I've worked on eventually adds a favicon generation dependency. favicons alone...
Dev.to · swift king
🌐 Frontend Engineering
⚡ AI Lesson
3mo ago
Zero-Dependency Favicon Generation with Canvas API — Build Your Own in 50 Lines
Every React project I've worked on eventually adds a favicon generation dependency. favicons alone...
Dev.to · swift king
📣 Digital Marketing & Growth
⚡ AI Lesson
3mo ago
Barcode Density Matters More Than You Think: Code 128 vs Code 39
I spent three years running inbound at an Amazon sort center, and I've watched barcodes fail in ways...
Dev.to · swift king
📣 Digital Marketing & Growth
⚡ AI Lesson
3mo ago
How Browsers Actually Load Favicons (And Why Yours Won't Update)
You changed your favicon three hours ago. Your browser still shows the old one. Here's why. ...
Dev.to · swift king
🖌️ UI/UX Design
⚡ AI Lesson
3mo ago
The SVG Rendering Bug That Cost a Client $2,000
A designer sent me a panicked Slack message. Their client's product icons had leaked onto a public...
Dev.to · swift king
🖌️ UI/UX Design
⚡ AI Lesson
3mo ago
Getting Started with SVG Export Using the Browser Canvas API
Getting Started with SVG Export Using the Browser Canvas API Converting SVG to raster images in the...
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