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RequireJS CleverTools.inRequireJS is recommended for projects that are already using it, especially if the project is large and refactoring to a different module system would be resource-intensive. It can also be suitable for legacy web applications that have complex dependency chains which have been built with AMD (Asynchronous Module Definition) patterns. However, newer projects are better served with modern bundlers and native ES6 module syntax.
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CleverTools.in's answer:
India-first, not India-as-an-afterthought. Most online tool sites bolt on a generic tax calculator. CleverTools is built around the actual Indian financial year โ FY 2025-26 New Regime slabs with the โน12L Section 87A rebate, post-Budget 2024 capital-gains rates (STCG 20% / LTCG 12.5% / โน1.25L equity exemption), Section 211 advance-tax instalment schedule with Section 234C interest exposure, and 14 state-wise Professional Tax slabs. Hindi long-tail keywords (gratuity kaise calculate kare, marginal relief kya hai) baked into SEO.
Details every other calculator misses.
Surcharge calculator with automatic marginal relief (most tools and even some return-prep software ignore it โ costs โน2-15 lakh near band thresholds) Leave Encashment with the full Section 10(10AA) four-limit rule AND the lifetime โน25L cap tracked across employers Gratuity with both formulas (15รท26 covered / 15รท30 not-covered) + 5-year-OR-4y240d eligibility (Madras HC Mettur Beardsell ruling) Salary Slip with the statutory โน1,800 PF cap (12% ร โน15,000 ceiling) auto-applied 3. 100% browser-based โ files never leave your device. No server uploads. Your salary, PAN, GSTIN, bank account, PDFs โ all processed locally with pdf-lib, jsPDF, pdfjs-dist. Works offline after first load.
Tool depth, not link-farm breadth. 80+ tools, but each ships with 4-6 features, 3-4 how-it-works steps, 4-8 FAQs (which generate Google FAQ rich snippets), and 30+ targeted keywords. Compare to most competitors where the "calculator" is a single input + result.
Receipt/document generators that actually match Indian payroll/compliance formats.
Salary Slip with 3 templates (Classic Grid / Modern / Minimal), live PDF preview, full WD/WO/PH/PD/CL/PL/SL/LWP working-days breakdown, Actual + Payable columns with auto-prorate on LWP Rent Receipt with sequential numbering, payment-mode line, revenue-stamp prompt above โน5,000, mandatory landlord-PAN warning above โน1L/year GST Invoice with auto CGST+SGST vs IGST routing, 5 tax slabs, reverse charge, e-way bill, HSN autocomplete 6. No signup wall, no rate limits, no watermarks. Free tools that stay free โ even with file uploads.
Modern stack & performance. Next.js 16 + Turbopack, Tailwind 4, strict TypeScript, full dark-mode parity, 156 prerendered pages, dynamic imports per tool so each route ships only what it needs.
Honest math, transparent reasoning. Calculator outputs explain why โ which limit kicked in, which slab applies, why marginal relief was/wasn't triggered. Not a black box.
CleverTools.in's answer:
Three reasons:
Accuracy on the details that cost real money. Marginal relief, the โน1,800 statutory PF cap, the four-limit rule for leave encashment, the 4y-240d gratuity eligibility ruling โ most calculators miss these and quietly cost users โน2โ15 lakh. CleverTools applies them automatically and explains which limit kicked in. Privacy by architecture. Your PAN, GSTIN, salary, bank account, PDFs โ they are processed in your browser using pdf-lib and jsPDF. Nothing is uploaded. Works offline after the first visit. Free, fast, no friction. 80+ tools, no login wall, no rate limits, no watermarks on PDFs. Each tool is a single static page โ no spinning loaders, no "buy premium" interstitials.
CleverTools.in's answer:
Indian salaried employees, freelancers, gig-economy consultants, small-business owners, CAs,HR & payroll teams and tax-aware students.
Specifically: Salaried employees generating rent receipts for HRA, calculating in-hand salary across regimes, verifying salary-slip deductions Freelancers & consultants planning Section 211 quarterly advance tax and reconciling TDS CAs & finance professionals validating client computations during return-filing season HR & payroll teams running state-wise Professional Tax, generating salary slips, computing leave-encashment exits Small businesses issuing GST-compliant tax invoices, proforma invoices, credit notes, and delivery challans
CleverTools.in's answer:
CleverTools was started by Milan Bagiya out of frustration with the state of online Indian tax calculators โ most were either ad-laden link farms with wrong formulas, or behind โน999/month paywalls. The premise was simple: build a focused, free, India-first tool suite where the math actually reflects current law (post-Budget 2024 reforms, latest CBDT notifications), where files never leave the user's browser, and where every calculator explains why its answer is what it is. It started with PDF and image utilities; the financial calculator suite (Income Tax, HRA, Gratuity, Capital Gains, Advance Tax, Surcharge, Professional Tax, Leave Encashment) is the current focus โ each one researched against actual sections of the Income-tax Act and Indian state-level rules.
CleverTools.in's answer:
Next.js 16 (App Router, Turbopack) โ framework & SSG TypeScript (strict mode) โ type safety across 80+ tool components Tailwind CSS 4 โ design system with full dark-mode parity pdf-lib, pdfjs-dist, jsPDF โ all PDF parsing, generation, and manipulation in-browser html2canvas, JSZip, file-saver, mammoth, PapaParse โ document/data conversions Supabase โ auth and contact form storage Vercel โ hosting & edge delivery
CleverTools.in's answer:
Based on our record, RequireJS seems to be more popular. It has been mentiond 14 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
That's the job of Closure Compiler. Closure is an optimizing JavaScript compiler that ClojureScript is using since its initial release, in 2011. At the time JavaScript didn't have standard module format, remember AMD, UMD, RequireJS and CommonJS? Closure folks at Google invented another one, where goog.provide declares a module and goog.require imports another module. - Source: dev.to / 9 months ago
The fact that everything was loaded synchronously, which was not really an issue at that time when writing for servers, it was not really feasible for front-ends. Therefore RequireJS was brought to live. If you ever wondered how it looks, there is an example repository still living. If you are more interested in the history, look up: AMD, UMD, RequireJS. - Source: dev.to / about 1 year ago
There is a library called requirejs (https://requirejs.org/) that accomplishes what I am referring to. However, this is essentially similar to the situation in PHP prior to version 5.3 - a solution implemented at the level of a separate library rather than at the language level. Source: about 3 years ago
Webpack is the most popular bundler and it followed on the heels of Require.js, Rollup, and similar solutions. But the learning curve for a tool like webpack is steep. Getting started with webpack isnโt easy due to its complex configurations. As a result, in recent years another solution has emerged. This tool is not necessarily a front-runner, but an easier-to-digest alternative on the front-end module bundler... - Source: dev.to / over 3 years ago
I have a number of JavaScript "classes" each implemented in its own JavaScript file. For development those files are loaded individually, and for production they are concatenated, but in both cases I have to manually define a loading order, making sure that B comes after A if B uses A. I am planning to use RequireJS as an implementation of CommonJS Modules/AsynchronousDefinition to solve this problem for me... Source: over 4 years ago
rollup.js - Rollup is a module bundler for JavaScript which compiles small pieces of code into a larger piece such as application.
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