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Full source code for the BMI and Calorie Calculator: a BMI, BMR (Mifflin-St Jeor), TDEE and macro calculator with metric and imperial units and a health disclaimer. Instant download after purchase.
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Full source code for the Barcode Generator: a barcode maker for EAN-13, EAN-8, UPC-A, Code 128, Code 39 and ITF with check-digit handling, SVG/PNG download and batch sheets, built on JsBarcode. Instant download after purchase.
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Full source code for the Background Remover: removes image backgrounds in the browser with the Apache-2.0 MODNet model via transformers.js, plus an offline solid-colour flood-fill method. Instant download after purchase.
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Full source code for the Aspect Ratio Calculator: an aspect ratio calculator with simplification, linked resizing, nearest common ratio detection, a ratio catalogue and CSS output. Instant download after purchase.
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Full source code for the App Icon Generator: turns one image into an iOS AppIcon set with Contents.json, Android mipmaps with adaptive icon XML, and PWA icons with a manifest snippet, zipped in the browser. Instant download after purchase.
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Full source code for the Age and Date Difference Calculator: an age, date difference and add/subtract date calculator with business-day counting and a holiday list, computed in UTC to avoid daylight-saving drift. Instant download after purchase.
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Full source code for the Word and Character Counter: a text analyser that counts words, characters, sentences and reading time, ranks keyword density and checks text against common length limits. Instant download after purchase.
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Full source code for the Website Cost Calculator: a website estimator that maps site type, page count, design level, CMS, content and features to hours, a timeline and a priced breakdown. Instant download after purchase.
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Full source code for the UUID and Random String Generator: UUID v4 and v7 generation in bulk, formatting options, random strings from custom character sets and a UUID parser. Instant download after purchase.
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Full source code for the Unit and Time Zone Converter: a unit converter plus a time zone planner, using the browser Intl API to compare offsets, daylight saving and overlapping working hours. Instant download after purchase.
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Full source code for the Terms and Conditions Generator: a terms builder that composes clauses for a site, app, SaaS or store from questionnaire answers and exports HTML or Markdown. Instant download after purchase.
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Full source code for the SQL Formatter: a SQL beautifier around the open-source sql-formatter library with dialect, keyword case and indent options, plus a string-aware minifier. Instant download after purchase.
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Full source code for the Schema Markup (JSON-LD) Generator: a JSON-LD generator for organization, local business, product, FAQ, article and breadcrumb schemas with a checker that flags missing properties. Instant download after purchase.
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Full source code for the Salary Slip Generator: a payslip form with earnings, deductions, employer contributions and net pay in words, exported as a PDF with optional fields. Instant download after purchase.
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Full source code for the SaaS Pricing and MRR Calculator: a subscription-business model: plans, customers, churn and growth projected over 12 months with MRR, ARR, LTV and CAC payback and an SVG chart. Instant download after purchase.
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Full source code for the Robots.txt and Sitemap Generator: builds robots.txt from rule groups and presets, lints it for common mistakes, and turns a pasted URL list into a valid sitemap.xml. Instant download after purchase.
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Full source code for the Resume and CV Builder: a resume editor with reorderable sections, three templates, a live preview and a PDF writer, kept in local storage. Instant download after purchase.
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Full source code for the Restaurant QR Menu Maker: a menu editor that compresses a whole menu into a shareable link plus QR code, with a read-only menu viewer page and a print stylesheet. Instant download after purchase.
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Full source code for the Regex Tester: a JavaScript regular-expression workbench with highlighted matches, capture and named groups, replace preview, flag toggles and a cheat sheet. Instant download after purchase.
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Full source code for the Refund and Cookie Policy Generator: a builder for a returns and refund policy and a cookie policy, driven by a short questionnaire and exported as HTML or Markdown. Instant download after purchase.
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Full source code for the Receipt Generator: a point-of-sale style receipt maker for small shops, with 58 mm and 80 mm layouts, tax, discount, payment and change due, exported as PDF. Instant download after purchase.
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Full source code for the Quotation and Estimate Maker: a quotation form with line items, tax, discount, validity date and terms that renders a PDF through the same document engine as the invoice tool. Instant download after purchase.
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Full source code for the QR Code Generator: a QR generator for URLs, text, Wi-Fi, email, phone, SMS and contact cards, with colours, error correction, an optional centre logo and PNG or SVG download. Instant download after purchase.
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Full source code for the Privacy Policy Generator: a questionnaire-driven document builder that assembles a privacy policy from clause functions and outputs text, HTML or Markdown. Instant download after purchase.
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