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Shaishav Patel

🚀 Building UltimateTools.io — 100+ free online tools for developers & creators. No signup. No limits. Just useful tools. Always shipping 🚢

Joined on Feb 11, 2026

Cover image for MD5, SHA-256, SHA-512: Generate Hashes Online Without Installing Anything

Mar 29

MD5, SHA-256, SHA-512: Generate Hashes Online Without Installing Anything

#javascript #webdev #security #tutorial

3 min read

Cover image for Building a QR Code Scanner in Next.js with html5-qrcode (Camera + Image Upload)

Mar 28

Building a QR Code Scanner in Next.js with html5-qrcode (Camera + Image Upload)

#javascript #nextjs #react #webdev

5 min read

Cover image for Building a Hash Generator with Web Crypto API and a Pure-JS MD5 Fallback

Mar 28

Building a Hash Generator with Web Crypto API and a Pure-JS MD5 Fallback

#javascript #webdev #react #security

5 min read

Cover image for Building a Client-Side PDF Compressor with pdfjs-dist and pdf-lib

Mar 25

Building a Client-Side PDF Compressor with pdfjs-dist and pdf-lib

#javascript #webdev #nextjs #tutorial

6 min read

Cover image for 9 Browser-Based Image Tools, One Architecture: Canvas API, WebAssembly, and Zero Uploads

Mar 23

9 Browser-Based Image Tools, One Architecture: Canvas API, WebAssembly, and Zero Uploads

#javascript #webdev #nextjs #html

6 min read

Cover image for I Built a Free Dynamic QR Code Generator — Here's What Competitors Charge For

Mar 22

I Built a Free Dynamic QR Code Generator — Here's What Competitors Charge For

#webdev #opensource #javascript #productivity

4 min read

Cover image for How Dynamic QR Codes Work: Redirect Routes, Scan Tracking, and Analytics in Next.js

Mar 22

How Dynamic QR Codes Work: Redirect Routes, Scan Tracking, and Analytics in Next.js

#javascript #webdev #nextjs #tutorial

6 min read

Cover image for Building a Client-Side Image Compressor with Canvas API in Next.js

Mar 21

Building a Client-Side Image Compressor with Canvas API in Next.js

#javascript #nextjs #webdev #react

4 min read

Cover image for Building a Browser-Based PDF Page Organizer with pdf-lib and pdfjs-dist

Mar 19

Building a Browser-Based PDF Page Organizer with pdf-lib and pdfjs-dist

#javascript #nextjs #webdev #pdf

6 min read

Cover image for Building a QR Code Generator with 10 Content Types and Scan Analytics

Mar 15

Building a QR Code Generator with 10 Content Types and Scan Analytics

#javascript #webdev #nextjs #tutorial

4 min read

Cover image for How to Sign PDFs in the Browser Without Uploading Anything

Mar 15

How to Sign PDFs in the Browser Without Uploading Anything

#javascript #webdev #privacy #productivity

3 min read

Cover image for How We Moved PDF Processing from Server to Browser (and Killed OOM Crashes)

Mar 15

How We Moved PDF Processing from Server to Browser (and Killed OOM Crashes)

#javascript #webdev #nextjs #tutorial

5 min read

Mar 1

🚀 I Built a Free All-in-One PDF Studio (No Signup, No Limits)

#webdev #productivity #opensource #startup

2 min read

Feb 11

Curated 100+ AI Tools So You Don’t Have To

#ai #webdev #productivity #startup

1 min read

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