# WebAppStore: Full LLM Knowledge Context & Directory Site URL: https://webappstore.online Entity: WebAppStore Online Ltd (United Kingdom) Target Audience: Global and South Asia (India-friendly, low-bandwidth, offline-first) --- ## About WebAppStore WebAppStore is a hand-curated directory of Progressive Web Apps (PWAs) and browser-based software tools. Apps run directly in web browsers (Chrome, Safari, Firefox, Edge) without requiring native app store accounts or installation. --- ## Live Applications Detail ### QuickInvoice: Free Invoice Generator - **Slug:** free-invoice-generator-pwa - **Store URL:** https://webappstore.online/apps/free-invoice-generator-pwa - **Direct App URL:** https://quickinvoice.webappstore.online - **Tagline:** Create and download invoices in under a minute - **Category:** Finance & Billing - **Price:** Free - **Last Verified by Editor:** 2026-10-15T09:30:00Z #### Key Features: - Free to use forever - Works offline once installed - Instant PDF export - GST and multi-currency support (INR, GBP, USD) - Data stored locally on your device - No sign-up or registration required #### Editorial Description: ## What is QuickInvoice? QuickInvoice is a free progressive web app (PWA) for creating professional invoices in your browser. Add your business details, line items and tax, then download a clean PDF to send to your client. There is nothing to install from an app store, and no account is needed to get started. ## Who is it for? QuickInvoice is built for freelancers, consultants, small shops and agencies who need to bill clients quickly without paying for expensive accounting software. Indian users can add GST details and format amounts in rupees; UK and international users can switch currency. ## Key features - **Fast invoice editor:** add line items, quantities, discounts and tax in one screen. - **PDF download:** export a tidy invoice you can email or print directly. - **Works offline:** once installed, you can keep creating invoices without an internet connection. - **Your data stays on your device:** invoices are stored in your browser, not on a server. - **GST and multi-currency:** supports GST fields and INR, GBP, USD, and EUR. - **No sign-up:** open the app and start immediately. ## How it works 1. Open the app and enter your business and client details. 2. Add the items or services you are billing for. 3. Download the PDF, or save the invoice on your device for later. ## Privacy Invoice data is stored locally in your browser (IndexedDB). Clearing your browser data removes it, so download important invoices as PDFs. ## Pricing QuickInvoice is 100% free to use. #### Frequently Asked Questions: **Q: Is QuickInvoice really free?** A: Yes. QuickInvoice is completely free to use and does not require an account or subscription. **Q: Does it work offline?** A: Yes. After you open the app and add it to your Home Screen, you can create and edit invoices without an active internet connection. **Q: Where is my invoice data stored?** A: On your own device, in your browser storage. It is not uploaded to any remote server. Download PDFs of important invoices as a backup. **Q: Can I add GST to my invoices?** A: Yes. You can enter GSTIN details, HSN/SAC codes, and custom tax rates, formatted cleanly in Indian rupees (₹). **Q: How do I install it on my phone?** A: Open the app in Chrome (Android) or Safari (iPhone), then choose Add to Home Screen from the browser menu. --- ### FocusFlow: Pomodoro & Deep Work Timer - **Slug:** focus-timer-pomodoro-pwa - **Store URL:** https://webappstore.online/apps/focus-timer-pomodoro-pwa - **Direct App URL:** https://focusflow.nordicminimal.dev - **Tagline:** Stay locked into your tasks with customizable intervals and soundscapes - **Category:** Productivity - **Price:** Free - **Last Verified by Editor:** 2026-10-12T14:20:00Z #### Key Features: - Customizable work and break intervals - Local ambient soundscapes (rain, white noise, café) - 100% offline functionality - OLED dark mode and full-screen mode - Zero telemetry or trackers #### Editorial Description: ## What is FocusFlow? FocusFlow is a distraction-free Pomodoro timer progressive web app. It helps knowledge workers, programmers, and students maintain deep focus through structured intervals of work and deliberate rest. ## Who is it for? Ideal for anyone who struggles with digital distraction, multitasking, or burnout. The interface is intentionally sparse to eliminate visual clutter. ## Key features - **Pomodoro technique ready:** 25/5 minute defaults, fully customizable. - **Ambient audio:** Optional rain, café, and white noise generated locally in Web Audio. - **Offline first:** Works seamlessly in airplane mode or spotty connectivity. - **Battery-efficient:** Lightweight rendering uses negligible CPU and battery. ## Privacy No analytics, no telemetry, and no sign-up. Your daily session count is saved only in local storage. #### Frequently Asked Questions: **Q: Does audio work when the screen is locked?** A: Yes, on modern mobile browsers with background audio permission. **Q: Can I change interval lengths?** A: Yes, you can configure work sprints and short/long breaks to match your personal cadence. --- ### PaperlessNote: Offline Markdown Notepad - **Slug:** markdown-note-taking-pwa - **Store URL:** https://webappstore.online/apps/markdown-note-taking-pwa - **Direct App URL:** https://paperlessnote.webappstore.online - **Tagline:** Write, organize, and export notes in clean markdown without subscriptions - **Category:** Productivity - **Price:** Free - **Last Verified by Editor:** 2026-10-16T11:00:00Z #### Key Features: - Split-screen live markdown preview - Local File System Access API integration - Auto-save to browser storage - Full offline capability - Export to .md, .txt, .html, and .pdf #### Editorial Description: ## What is PaperlessNote? PaperlessNote is an offline-first markdown notebook that runs entirely in your browser. It gives you a clean split-pane editor with instant formatting, local folder organization, and one-click export to Markdown, HTML, or PDF. ## Who is it for? Developers, writers, and students who want a note-taking tool that loads instantly, never locks notes in proprietary databases, and never sells user data. ## Key features - **Live split-pane preview:** GitHub Flavored Markdown with syntax highlighting. - **Local file system access:** Open and save files directly to your device storage. - **Offline reliable:** Runs anywhere without needing Wi-Fi or mobile data. - **Zero lock-in:** Plain text files that you own 100%. #### Frequently Asked Questions: **Q: Are my notes stored on any server?** A: No. PaperlessNote has no server component. Everything is kept in your browser local storage or saved directly to your hard drive/phone. --- ### RupeeRate: Live INR & Global Currency Converter - **Slug:** currency-converter-india-pwa - **Store URL:** https://webappstore.online/apps/currency-converter-india-pwa - **Direct App URL:** https://rupeerate.indietools.in - **Tagline:** Instant exchange rates cached for offline usage on low-bandwidth networks - **Category:** Finance & Billing - **Price:** Free - **Last Verified by Editor:** 2026-10-18T16:00:00Z #### Key Features: - 150+ world currencies supported - One-tap switch between INR, USD, GBP, EUR, AED, SGD - Works offline with last cached rates - Custom markup and fee calculation #### Editorial Description: ## What is RupeeRate? RupeeRate is an ultra-fast currency converter PWA designed for shoppers, travelers, and exporters. It downloads the latest exchange rate table once and caches it locally, allowing you to perform calculations even in subway stations, flights, or remote areas. ## Who is it for? Frequent travelers, freelancers receiving cross-border remittances, and small import-export traders looking for accurate conversions without slow app store apps. #### Frequently Asked Questions: **Q: How often are exchange rates updated?** A: Rates update automatically whenever your device connects to the internet. --- ### RegexForge: In-Browser Regex Visualizer & Tester - **Slug:** regex-tester-cheat-sheet - **Store URL:** https://webappstore.online/apps/regex-tester-cheat-sheet - **Direct App URL:** https://regexforge.webappstore.online - **Tagline:** Test regular expressions with real-time match explanations and syntax highlighting - **Category:** Utilities - **Price:** Free - **Last Verified by Editor:** 2026-10-10T12:00:00Z #### Key Features: - Instant regex validation and group capture - JavaScript, Python, and PCRE syntax modes - Built-in searchable cheat sheet - Offline support #### Editorial Description: ## What is RegexForge? RegexForge is a client-side regular expression tester with zero lag. It breaks down complex patterns into readable English explanations and visualizes capturing groups in real time. #### Frequently Asked Questions: **Q: Does it send my text to any server?** A: No, all regular expressions are evaluated entirely in your browser JavaScript engine. --- ### VectorShrink: In-Browser SVG Optimizer - **Slug:** svg-icon-optimizer-pwa - **Store URL:** https://webappstore.online/apps/svg-icon-optimizer-pwa - **Direct App URL:** https://vectorshrink.webappstore.online - **Tagline:** Strip bloated metadata and minify vector icons with live visual diff - **Category:** Utilities - **Price:** Free - **Last Verified by Editor:** 2026-10-14T08:00:00Z #### Key Features: - Reduces SVG file size by 30% to 70% - Interactive side-by-side visual diff - Batch optimization with zip download - Completely client-side processing #### Editorial Description: ## What is VectorShrink? VectorShrink is an in-browser vector graphics minifier based on SVGO logic. Drag and drop any SVG file to strip editor junk, unused namespaces, and unneeded coordinates while maintaining crisp vector precision. #### Frequently Asked Questions: **Q: Are my graphics uploaded to the cloud?** A: Never. Processing happens locally in your browser memory. ---