No-Upload File Conversion in the Browser: An Architecture Walkthrough
A technical walkthrough of building browser-only file converters — and why “no upload” is a property you can verify in ten seconds.
9 min read
Guides
Straightforward, no-nonsense guides to picking image formats, shrinking files and working with developer data — each one linked to a free tool that runs entirely in your browser.
How to Convert Java .properties to YAML
A quick guide to converting .properties to YAML — how dotted keys and comments are handled, and how to do it in your browser.
4 min read
How to Compress an Image to 200 KB (or Any Target Size)
Hitting a 200 KB upload limit is mostly about quality and format. Here is the fastest way to do it.
4 min read
JSON Parse Error: “Unexpected Token” — How to Fix It
The “Unexpected token” JSON error has four usual causes. Here is how to find the offending character fast.
5 min read
HEIC Won’t Open on Windows or Chrome? Here’s How to Fix It
iPhone photos are HEIC, and Windows, Chrome and Android often cannot open them. Here is why — and how to fix it in seconds.
5 min read
JSON Formatting and Validation: A Practical Guide
A practical guide to reading, formatting and validating JSON, including the errors developers hit most often.
6 min read
PNG vs WebP: Choosing the Right Format for the Web
WebP offers transparency and much smaller files, and it now works everywhere. Here is when to use it instead of PNG — and how to convert.
5 min read
How to Compress Images Without Losing Quality
A practical guide to shrinking photos for email, forms and websites while keeping them sharp — with a free in-browser compressor.
7 min read
HEIC vs JPG: Which Format Should You Use?
HEIC files are smaller but often will not open outside Apple devices. JPG is universally compatible. Here is how to choose — and how to open HEIC on Windows or Chrome.
6 min read
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