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Full source code for the Profit Margin and Markup Calculator: a margin, markup and break-even calculator that converts between cost, price, margin and markup and solves for break-even units and revenue. Instant download after purchase.
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Full source code for the Placeholder Text and Image Generator: generates seeded lorem ipsum (paragraphs, sentences, words, lists, HTML) and placeholder images as PNG or SVG with data URI output. Instant download after purchase.
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Full source code for the Percentage Calculator: six percentage calculators in one component: X% of Y, what percent, percentage change, increase, decrease and reverse percentage. Instant download after purchase.
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Full source code for the PDF Merge, Split and Compress: a client-side PDF toolbox that merges files in drag order, splits by page ranges or every page, compresses by re-rendering pages, and rotates, deletes and reorders pages. Instant download after purchase.
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Full source code for the PDF Form Filler and Signer: a browser PDF form filler and signer: AcroForm fields, text, dates, check marks, drawn or typed signatures, highlights and shapes, exported as a flattened PDF. Instant download after purchase.
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Full source code for the Passphrase and PIN Generator: a diceware-style passphrase and PIN generator using the EFF long wordlist and unbiased secure randomness, with entropy readouts. Instant download after purchase.
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Full source code for the Org Chart Maker: an org chart editor with drag-to-reparent, a tidy tree layout (top-down or left-to-right), pan and zoom, photo or initials avatars, CSV and JSON import, and PNG, PDF and SVG export. Instant download after purchase.
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Full source code for the OG Image Generator: draws 1200 x 630 Open Graph images from six canvas templates with auto-fitting titles, logo upload and ready-made meta tags. Instant download after purchase.
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Full source code for the Offer, Experience and Relieving Letter Generator: an HR letter generator for offer, experience and relieving letters with letterhead, live preview and PDF. Instant download after purchase.
0 sales 1 viewsUpdated 3d ago
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Full source code for the Number to Words Converter: a number-to-words converter for the international and Indian lakh/crore systems with currency wording for cheques, using BigInt for exact large numbers. Instant download after purchase.
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Full source code for the Number Base Converter: a BigInt-safe base converter for 2 to 36 with a bitwise view (AND, OR, XOR, NOT, shifts) in 8 to 64 bit widths. Instant download after purchase.
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Full source code for the NDA and Freelance Contract Generator: a generator for mutual and one-way NDAs and freelance services contracts with clause toggles and PDF, Markdown and HTML export. Instant download after purchase.
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Full source code for the Mortgage and Rent vs Buy Calculator: a mortgage calculator with an amortisation schedule, extra payments and a rent-versus-buy net worth comparison over a chosen horizon. Instant download after purchase.
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Full source code for the Mind Map Maker: a keyboard-first mind map editor with a balanced two-sided layout, colour per branch, undo and redo, and Markdown outline, JSON, PNG and SVG import and export. Instant download after purchase.
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Full source code for the Meme and Quote Image Maker: creates top and bottom text memes and quote cards on a canvas with free Google Fonts, outlines, themes and social sizes. Instant download after purchase.
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Full source code for the Meeting Planner and Cost Calculator: a time zone meeting planner with a working-hours overlap grid for up to six cities, plus a meeting cost calculator. Instant download after purchase.
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Full source code for the Markdown Editor with Live Preview: a GitHub-flavoured Markdown editor with toolbar, live preview, autosave and sanitised HTML or .md export. Instant download after purchase.
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Full source code for the JWT Decoder: a JWT inspector that decodes the header and payload, explains registered claims, shows exp/iat/nbf as dates and verifies HS256/384/512 signatures with WebCrypto. Instant download after purchase.
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Full source code for the Inventory and Stock Sheet: a browser-only inventory sheet with SKUs, a stock movement log, low-stock rules, valuation, barcode scanner input, CSV import and export and a PDF stock sheet. Instant download after purchase.
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Full source code for the India Income Tax Calculator FY 2026-27: an Indian income tax calculator for FY 2026-27 that compares the old and new regimes with slabs, standard deduction, 87A rebate, marginal relief, surcharge and cess. Instant download after purchase.
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Full source code for the Image Watermark Tool: adds text or logo watermarks to batches of images with nine-point positioning, tiling, rotation and opacity, then zips the results. Instant download after purchase.
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Full source code for the Image Resizer and Cropper: a canvas-based image editor with a draggable crop box, preset ratios, exact output sizes, rotate and flip, and PNG, JPG or WebP export. Instant download after purchase.
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Full source code for the Image to PDF and PDF to Image Converter: converts images into a PDF with page size, orientation, margin and fit controls, and renders PDF pages to PNG or JPG at a chosen DPI with zip download. Instant download after purchase.
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Full source code for the Image Format Converter: converts batches of images between PNG, JPG, WebP and AVIF in the browser and detects honestly whether the browser can encode AVIF. Instant download after purchase.
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