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Ayaan shaikh
Ayaan shaikh

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ToolNest v2.0: Added Client-Side PDF Tools, Regex Tester & QR Code Generator (25 Free Tools)

#webdev #javascript #productivity #showdev

We've all been there: you need to quickly merge two PDF documents, format an API payload, or test a regular expression, but every tool online forces you to:

  • ❌ Create an account or sign in with Google
  • ❌ Hit a "daily usage quota" or paywall
  • ❌ Upload sensitive contracts, bank statements, or API keys to unknown third-party servers
  • ❌ Navigate through dozens of intrusive popups and fake download buttons I got tired of this broken developer experience, so I built ToolNest — a fast, clean, and 100% client-side utility hub. Today, I’m excited to launch ToolNest v2.0, expanding the platform to 25 free utilities with a brand new in-browser PDF suite, live dark mode, and zero-scroll sidebar navigation. --- ### 🌐 Live Platform 👉 toolnest.shaikhayaan.com (No login required) --- ### 🔥 What's New in ToolNest v2.0? #### 1. In-Browser PDF Suite (100% Client-Side) Unlike services that upload your PDFs to remote cloud servers, ToolNest processes documents directly in your browser memory:
  • 📄 PDF Merger: Combine multiple PDFs with drag-and-drop reordering.
  • ✂️ PDF Splitter: Extract specific pages or custom ranges (e.g. 1-3, 5, 8-10).
  • 🖼️ Images to PDF: Convert JPG/PNG batches into multi-page A4 or native-fit PDFs.

* 📸 PDF to Images: Render all PDF pages into high-res 2x PNG images with 1-click download.

2. Essential Developer & Security Tools

  • 🧪 Regex Tester: Real-time match highlighting with quick presets (Email, URL, IP, Dates, Hex).
  • 🔐 SHA Hash Generator: Instant SHA-1, SHA-256, SHA-384, and SHA-512 cryptographic digests using the native crypto.subtle API.
  • 📋 JSON Formatter & Validator: Beautify, minify, and inspect syntax errors according to RFC 8259.
  • 🔑 UUID v4 Generator: High-entropy batch identifier generation.
  • 🛡️ Password Generator: CSPRNG-powered random credentials with live entropy strength meter.

* 🔤 Base64 & URL Encoder/Decoder: UTF-8 safe component transformations.

3. Text, Media & SEO Utilities

  • 📱 QR Code Generator: Generate custom-colored, high-resolution QR codes with adjustable error correction (up to 1024px PNGs).
  • 📝 Text Diff Checker: Side-by-side comparison highlighting additions and deletions.
  • 🔍 Meta Tag Generator: Generates HTML <head>, Open Graph, and Twitter Card tags with live character limit guidance.
  • 🗜️ Image Compressor & Resizer: Reduce JPG, PNG, and WebP file sizes in-browser via HTML5 Canvas.

* 📊 Word Counter & Percentage Calculator.

⚙️ How It Works (Technical Architecture)

ToolNest is built on a Zero-Backend Processing architecture:

  • PDF Operations: Uses pdf-lib and Mozilla's pdfjs-dist to manipulate and rasterize PDF streams locally.
  • Cryptography & Hashes: Directly leverages window.crypto.subtle for hardware-accelerated SHA hashing.
  • Image Processing: Handled via HTML5 Canvas 2D rasterization without transmitting any bytes over the network.

* Hosting: Deployed on AWS Amplify with instant global CDN caching and Single-Page Application routing.

💬 I'd Love Your Feedback!

ToolNest is built for developers, designers, and students who value speed and privacy.
Try it out here: toolnest.shaikhayaan.com

  • Which tool do you use the most in your daily workflow?
  • What additional tool would you like to see added next? Drop your thoughts and feature requests in the comments below! 👇

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