Thoughts, tutorials, and insights on web development
Messy, minified or broken JSON? Learn the syntax rules, the most common errors (and their fixes), and how to beautify or validate JSON instantly in your browser.
Every character limit that matters in one place — X, Instagram, LinkedIn, TikTok, YouTube, SMS and Google search snippets — plus what actually happens when you go over.
Learn how image compression actually works and how to dramatically shrink JPG, PNG and WebP files while keeping them looking sharp — all in your browser, with nothing uploaded.
Turn each page of a PDF into a high-quality JPG or PNG image. Learn how to pick the right resolution and convert whole documents or specific pages — free, in your browser.
Why some PDFs shrink by 80% and others barely move — and how to reduce PDF file size the right way, entirely in your browser, with nothing uploaded to a server.
Need to break a big PDF into smaller files or pull out specific pages? Here's how to split a PDF by page range or into single pages — entirely in your browser.
Got a WebP file an app won't accept? Convert it to JPG or PNG in seconds — or go the other way and shrink your JPG/PNG images into WebP. Free, private, in your browser.
What is a hash, why is MD5 'broken' but still useful, and when should you use SHA-256? A plain-English guide to hashing — including why you never 'decrypt' a hash.
Base64 turns binary data into plain text so it can travel safely through systems built for text. Here's what it is, what it isn't (it's not encryption!), and when to use it.