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swift king

UI/UX designer. Building browser-native design tools. Writing about SVG, web performance, and design-to-code workflows.

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From 8.2s to 2.1s: How Image Compression Changed a Store's Conversion Rate

From 8.2s to 2.1s: How Image Compression Changed a Store's Conversion Rate

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1 min read

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Trailing Comma Took Down Production at 11 PM — A JSON Debugging Story

Trailing Comma Took Down Production at 11 PM — A JSON Debugging Story

Comments
1 min read
The Missing 180px Icon That Cost a Brand 6 Months of iPhone Impressions

The Missing 180px Icon That Cost a Brand 6 Months of iPhone Impressions

Comments
1 min read
Barcode Quiet Zones: Why 5 Pallets Per Shift Got Sidelined

Barcode Quiet Zones: Why 5 Pallets Per Shift Got Sidelined

Comments
1 min read
SVG to PNG: The DPI Setting That Kept Getting My Work Rejected

SVG to PNG: The DPI Setting That Kept Getting My Work Rejected

Comments
1 min read
WebP to PNG: How I Saved Our Email Campaign in 10 Minutes

WebP to PNG: How I Saved Our Email Campaign in 10 Minutes

1
Comments
1 min read
From 8.2s to 2.1s: How Image Compression Changed a Store's Conversion Rate

From 8.2s to 2.1s: How Image Compression Changed a Store's Conversion Rate

Comments
1 min read
Trailing Comma Took Down Production at 11 PM — A JSON Debugging Story

Trailing Comma Took Down Production at 11 PM — A JSON Debugging Story

Comments
1 min read
The Missing 180px Icon That Cost a Brand 6 Months of iPhone Impressions

The Missing 180px Icon That Cost a Brand 6 Months of iPhone Impressions

Comments
1 min read
Barcode Quiet Zones: Why 5 Pallets Per Shift Got Sidelined

Barcode Quiet Zones: Why 5 Pallets Per Shift Got Sidelined

Comments
1 min read
SVG to PNG: The DPI Setting That Kept Getting My Work Rejected

SVG to PNG: The DPI Setting That Kept Getting My Work Rejected

Comments
1 min read
WebP to PNG: How I Saved Our Email Campaign in 10 Minutes

WebP to PNG: How I Saved Our Email Campaign in 10 Minutes

Comments
1 min read
From 8.2s to 2.1s: How Image Compression Changed a Store's Conversion Rate

From 8.2s to 2.1s: How Image Compression Changed a Store's Conversion Rate

Comments
1 min read
Trailing Comma Took Down Production at 11 PM — A JSON Debugging Story

Trailing Comma Took Down Production at 11 PM — A JSON Debugging Story

Comments
1 min read
The Missing 180px Icon That Cost a Brand 6 Months of iPhone Impressions

The Missing 180px Icon That Cost a Brand 6 Months of iPhone Impressions

Comments
1 min read
Barcode Quiet Zones: Why 5 Pallets Per Shift Got Sidelined

Barcode Quiet Zones: Why 5 Pallets Per Shift Got Sidelined

Comments
1 min read
SVG to PNG: The DPI Setting That Kept Getting My Work Rejected

SVG to PNG: The DPI Setting That Kept Getting My Work Rejected

Comments
1 min read
WebP to PNG: How I Saved Our Email Campaign in 10 Minutes

WebP to PNG: How I Saved Our Email Campaign in 10 Minutes

Comments
1 min read
From 8.2s to 2.1s: How Image Compression Changed a Store's Conversion Rate

From 8.2s to 2.1s: How Image Compression Changed a Store's Conversion Rate

Comments
1 min read
Trailing Comma Took Down Production at 11 PM — A JSON Debugging Story

Trailing Comma Took Down Production at 11 PM — A JSON Debugging Story

Comments
1 min read
The Missing 180px Icon That Cost a Brand 6 Months of iPhone Impressions

The Missing 180px Icon That Cost a Brand 6 Months of iPhone Impressions

Comments
1 min read
Barcode Quiet Zones: Why 5 Pallets Per Shift Got Sidelined

Barcode Quiet Zones: Why 5 Pallets Per Shift Got Sidelined

Comments
1 min read
SVG to PNG: The DPI Setting That Kept Getting My Work Rejected

SVG to PNG: The DPI Setting That Kept Getting My Work Rejected

Comments
1 min read
WebP to PNG: How I Saved Our Email Campaign in 10 Minutes

WebP to PNG: How I Saved Our Email Campaign in 10 Minutes

Comments
1 min read
SVG to PNG: The DPI Setting That Kept Getting My Work Rejected

SVG to PNG: The DPI Setting That Kept Getting My Work Rejected

Comments
1 min read
WebP to PNG: How I Saved Our Email Campaign in 10 Minutes

WebP to PNG: How I Saved Our Email Campaign in 10 Minutes

Comments
1 min read
SVG to PNG: The DPI Setting That Kept Getting My Work Rejected

SVG to PNG: The DPI Setting That Kept Getting My Work Rejected

Comments
1 min read
WebP to PNG: How I Saved Our Email Campaign in 10 Minutes

WebP to PNG: How I Saved Our Email Campaign in 10 Minutes

Comments
1 min read
SVG to PNG: The DPI Setting That Kept Getting My Work Rejected

SVG to PNG: The DPI Setting That Kept Getting My Work Rejected

Comments
1 min read
WebP to PNG: How I Saved Our Email Campaign in 10 Minutes

WebP to PNG: How I Saved Our Email Campaign in 10 Minutes

Comments
1 min read
SVG to PNG: The DPI Setting That Kept Getting My Work Rejected

SVG to PNG: The DPI Setting That Kept Getting My Work Rejected

Comments
1 min read
WebP to PNG: How I Saved Our Email Campaign in 10 Minutes

WebP to PNG: How I Saved Our Email Campaign in 10 Minutes

Comments
1 min read
SVG to PNG: The DPI Setting That Kept Getting My Work Rejected

SVG to PNG: The DPI Setting That Kept Getting My Work Rejected

1
Comments
1 min read
WebP to PNG: How I Saved Our Email Campaign in 10 Minutes

WebP to PNG: How I Saved Our Email Campaign in 10 Minutes

Comments
1 min read
SVG to PNG: The DPI Setting That Kept Getting My Work Rejected

SVG to PNG: The DPI Setting That Kept Getting My Work Rejected

Comments
1 min read
WebP to PNG: How I Saved Our Email Campaign in 10 Minutes

WebP to PNG: How I Saved Our Email Campaign in 10 Minutes

Comments
1 min read
SVG to PNG: The DPI Setting That Kept Getting My Work Rejected

SVG to PNG: The DPI Setting That Kept Getting My Work Rejected

Comments
1 min read
WebP to PNG: How I Saved Our Email Campaign in 10 Minutes

WebP to PNG: How I Saved Our Email Campaign in 10 Minutes

1
Comments
1 min read
Barcode Quiet Zones: Why 5 Pallets Per Shift Got Sidelined

Barcode Quiet Zones: Why 5 Pallets Per Shift Got Sidelined

Comments
1 min read
WebP to PNG: How I Saved Our Email Campaign in 10 Minutes

WebP to PNG: How I Saved Our Email Campaign in 10 Minutes

Comments
1 min read
The Missing 180px Icon That Cost a Brand 6 Months of iPhone Impressions

The Missing 180px Icon That Cost a Brand 6 Months of iPhone Impressions

Comments
1 min read
Barcode Quiet Zones: Why 5 Pallets Per Shift Got Sidelined

Barcode Quiet Zones: Why 5 Pallets Per Shift Got Sidelined

Comments
1 min read
SVG to PNG: The DPI Setting That Kept Getting My Work Rejected

SVG to PNG: The DPI Setting That Kept Getting My Work Rejected

Comments
1 min read
WebP to PNG: How I Saved Our Email Campaign in 10 Minutes

WebP to PNG: How I Saved Our Email Campaign in 10 Minutes

1
Comments
1 min read
From 8.2s to 2.1s: Image Compression Changed a Store Conversion Rate

From 8.2s to 2.1s: Image Compression Changed a Store Conversion Rate

Comments
1 min read
The Missing 180px Icon That Cost a Brand 6 Months of iPhone Impressions

The Missing 180px Icon That Cost a Brand 6 Months of iPhone Impressions

Comments
1 min read
Barcode Quiet Zones: Why 5 Pallets Per Shift Got Sidelined

Barcode Quiet Zones: Why 5 Pallets Per Shift Got Sidelined

Comments
1 min read
Trailing Comma Took Down Production at 11 PM — A JSON Debugging Story

Trailing Comma Took Down Production at 11 PM — A JSON Debugging Story

Comments
1 min read
SVG to PNG: The DPI Setting That Kept Getting My Work Rejected

SVG to PNG: The DPI Setting That Kept Getting My Work Rejected

Comments
1 min read
WebP to PNG: How I Saved Our Email Campaign in 10 Minutes

WebP to PNG: How I Saved Our Email Campaign in 10 Minutes

Comments
1 min read
WebP to PNG Batch Conversion: Save Your Email Campaigns

WebP to PNG Batch Conversion: Save Your Email Campaigns

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1 min read
WebP to PNG: The One Setting That Keeps Breaking Email Campaigns

WebP to PNG: The One Setting That Keeps Breaking Email Campaigns

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1 min read
SVG to PNG Converter: What Nobody Tells You Before Your First Export

SVG to PNG Converter: What Nobody Tells You Before Your First Export

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1 min read
SVG to PNG for Print: The Resolution Settings I Learned After a $2,300 Brochure Disaster

SVG to PNG for Print: The Resolution Settings I Learned After a $2,300 Brochure Disaster

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2 min read
Why I Stopped Using Upload-Based Image Converters for Client Work

Why I Stopped Using Upload-Based Image Converters for Client Work

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1 min read
How to Set Up Code 128 Barcodes for a Small Warehouse — What I Learned at Amazon

How to Set Up Code 128 Barcodes for a Small Warehouse — What I Learned at Amazon

1
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1 min read
What I Learned About Barcode Specs After 12 Years in Amazon Warehouses

What I Learned About Barcode Specs After 12 Years in Amazon Warehouses

1
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1 min read
I Analyzed 200 Free Online Tools — 87% Upload Your Files Without Clear Disclosure

I Analyzed 200 Free Online Tools — 87% Upload Your Files Without Clear Disclosure

1
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1 min read
Your SVG Files Have Hidden Metadata — Here's How to Strip It Before Converting

Your SVG Files Have Hidden Metadata — Here's How to Strip It Before Converting

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2 min read
I Compressed 1000 Images in the Browser — What I Learned About Client-Side Performance

I Compressed 1000 Images in the Browser — What I Learned About Client-Side Performance

1
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2 min read
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