Ship client PWAs in an afternoon. Offline-capable, installable, zero backend.
Live Demo | Buy on Gumroad | Free JSON Formatter Tool
A complete PWA template with 5 working dev tools inside. Customize, deploy to Vercel, hand it off. One afternoon, not one weekend.
- Offline by default — PWA with service worker, works without internet
- Zero backend — $0 hosting on Vercel, no databases, no APIs
- White-label ready — swap logo, change colors, rename it
- 5 working tools — JSON formatter, Base64 encoder, Regex tester, URL encoder, UUID generator
toolbox-lilac-three.vercel.app
Try it. Turn on airplane mode. Refresh. Still works.
| Tool | Description |
|---|---|
| JSON Formatter | Pretty-print, validate, and minify JSON |
| Base64 Encoder | Encode/decode Base64 strings |
| Regex Tester | Test regular expressions with live matching |
| URL Encoder | Encode/decode URLs and query parameters |
| UUID Generator | Generate v4 UUIDs instantly |
# Clone
git clone https://github.com/tiny-coder-2104/toolbox.git
cd toolbox
# Install
npm install
# Run locally
npm run dev
# Build for production
npm run build
# Preview build
npm run preview- Push to GitHub
- Go to vercel.com → Import Project
- Select your repo
- Deploy (zero config needed)
- Done — your PWA is live with SSL, CDN, and offline support
- Frontend: Vanilla JS + Vite
- PWA: Service Worker + Web App Manifest
- Hosting: Vercel (free tier)
- Payments: Gumroad
- Backend: None — 100% client-side
| Tier | Price | Includes |
|---|---|---|
| Basic | $29 | Template source, built output, README, deploy guide |
| Pro | $49 | + AI Chatbot Prompt Kit (5 industry templates), Customization Guide |
| Agency | $79 | + Commercial License, White-label Guide, Sales Materials |
Grab the PWA JSON Formatter standalone — free, works offline, email required for download.
- Freelancers: Ship small utility apps for clients without rebuilding from scratch
- Agencies: Sell PWAs as a product under your own brand (Agency License)
- Solo Devs: Skip boilerplate, get a working PWA foundation with routing and offline support
Do I need Node.js? Yes, for development (Node 16+). Deployment to Vercel requires no local setup if you connect from GitHub.
Can I use this for client work? Yes. The Agency License permits client use. You cannot resell the template itself, but you can build client projects on top of it.
Is there a free trial? No free trial — the paid template is a one-time purchase. Try the Free JSON Formatter instead: same offline tech, email required for the free download.
What support is included?
- Basic: Email support (48hr response, best-effort)
- Pro: Priority email support (24hr response, best-effort)
- Agency: Priority email support (24hr response, best-effort) + white-label guidance
Refund policy? 30-day money-back guarantee. No questions asked.
- Basic/Pro: Your own projects only (including your own commercial products built on the template).
- Agency: Everything in Pro, plus client work and selling finished products under your own brand. You may not resell or redistribute the template itself.
See LICENSE for details.
- GitHub: tiny-coder-2104 (issues and questions)
- Paid buyers: reply via your Gumroad purchase receipt email for support
Built by TinyCoder Studio. Ship fast. Ship offline.