---
title: "Simran Kaur (@simrankaur453) | Hashnode"
description: "I'm a science graduate with a Master's in Zoology from Sant Baba Bhag Singh University, currently exploring the intersection of technology, business analytic..."
url: "https://hashnode.com/@simrankaur453"
---

@simrankaur453

# Simran Kaur

@simrankaur453 · india · Joined October 2025

[Website](https://pixellize.io/)

### [Convert AVIF to JPG: a quick guide for developers (browser + CLI)](https://simrankaur.hashnode.dev/convert-avif-to-jpg-a-quick-guide-for-developers-browser-cli?utm_source=hashnode&utm_medium=feed)

AVIF is one of the best things to happen to web image delivery in years. It routinely cuts a photo to about half the bytes of an equivalent JPG, which is a real Largest Contentful Paint win. So you se

3 min read · [simrankaur.hashnode.dev](https://simrankaur.hashnode.dev/convert-avif-to-jpg-a-quick-guide-for-developers-browser-cli?utm_source=hashnode&utm_medium=feed)

[5d ago](https://hashnode.com/posts/convert-avif-to-jpg-a-quick-guide-for-developers-browser-cli/6aedc6bbe2fbd4f7aef6df7a)

### [Convert audio to MP3 in the browser, no server round-trip](https://simrankaur.hashnode.dev/convert-audio-to-mp3-in-the-browser-no-server-round-trip?utm_source=hashnode&utm_medium=feed)

Most online audio converters follow the same shape. You pick a file, it POSTs to a backend, a worker transcodes it, and you poll for a download link. It works, but think about what it costs. Your file

2 min read · [simrankaur.hashnode.dev](https://simrankaur.hashnode.dev/convert-audio-to-mp3-in-the-browser-no-server-round-trip?utm_source=hashnode&utm_medium=feed)

[Oct 19](https://hashnode.com/posts/convert-audio-to-mp3-in-the-browser-no-server-round-trip/6ad6050eaed514ede8114685)

### [I Almost Paid 129 Dollars a Month to Check One Number](https://simrankaur.hashnode.dev/i-almost-paid-129-dollars-a-month-to-check-one-number?utm_source=hashnode&utm_medium=feed)

How I check any website's Domain Rating for free, in about ten seconds, without an Ahrefs login.

5 min read · [simrankaur.hashnode.dev](https://simrankaur.hashnode.dev/i-almost-paid-129-dollars-a-month-to-check-one-number?utm_source=hashnode&utm_medium=feed)

[Oct 10](https://hashnode.com/posts/i-almost-paid-129-dollars-a-month-to-check-one-number/6aca3c6864fb5adeec8540af)

### [cm to pixels: why your passport-photo tool outputs the wrong size](https://simrankaur.hashnode.dev/cm-to-pixels-why-your-passport-photo-tool-outputs-the-wrong-size?utm_source=hashnode&utm_medium=feed)

Every few months a form asks someone for a "3.5 x 4.5 cm photo" and the upload box wants pixels. I kept hitting this while building a photo resizer, and I kept seeing other tools get the number wrong.

4 min read · [simrankaur.hashnode.dev](https://simrankaur.hashnode.dev/cm-to-pixels-why-your-passport-photo-tool-outputs-the-wrong-size?utm_source=hashnode&utm_medium=feed)

[Oct 5](https://hashnode.com/posts/cm-to-pixels-why-your-passport-photo-tool-outputs-the-wrong-size/6ac3545d26c767b8e8a8f23d)

### [Text to Binary: What Actually Happens When You Encode a String](https://simrankaur.hashnode.dev/how-to-read-binary-code?utm_source=hashnode&utm_medium=feed)

The three steps from a character to eight bits, the UTF-8 trap, and how to convert both ways in JavaScript.

3 min read · [simrankaur.hashnode.dev](https://simrankaur.hashnode.dev/how-to-read-binary-code?utm_source=hashnode&utm_medium=feed)

[Aug 30](https://hashnode.com/posts/how-to-read-binary-code/6a93ddd90fe06c4affc210ca)