# ReadyForFile > Free, fast, modern online utilities to convert, compress, resize, merge, transform, and calculate files directly in your web browser with 100% local privacy and zero server uploads. ## Core Architecture & Security Model ReadyForFile operates on a client-side execution model. All file processing, binary parsing, and mathematical transformations occur inside the user's browser runtime using HTML5 File APIs, WebAssembly, and local JavaScript libraries (SheetJS, pdf-lib, Tesseract.js OCR, HTML5 Canvas). No user files, documents, or data packets are ever transmitted to or stored on external servers. - **Website**: https://readyforfile.vercel.app - **Privacy Model**: 100% Client-Side In-Browser Execution (Zero Server Uploads) - **Pricing**: Free ($0) Forever, No Registration, No Email, No Credit Card - **Platform**: Works on all modern desktop and mobile browsers (Chrome, Firefox, Safari, Edge) --- ## Tool Directory by Category ### File & Data Converters (/tools/converter) - [CSV to Excel Converter](https://readyforfile.vercel.app/tools/converter/csv-to-excel): Convert CSV, TSV, and delimited text files into formatted Excel spreadsheets (.xlsx, .xls) with custom delimiter support (comma, semicolon, tab, pipe) and batch worksheet creation. Complies with RFC 4180. - [Excel to CSV Converter](https://readyforfile.vercel.app/tools/converter/excel-to-csv): Convert Microsoft Excel workbooks (.xlsx, .xls, .xlsm) into standard CSV text files locally. - [JSON to CSV Converter](https://readyforfile.vercel.app/tools/converter/json-to-csv): Flatten and transform structured JSON data into tabular CSV spreadsheets. - [XML to JSON Converter](https://readyforfile.vercel.app/tools/converter/xml-to-json): Parse XML documents and convert them into standard JSON structures. - [JSON to XML Converter](https://readyforfile.vercel.app/tools/converter/json-to-xml): Serialize JSON objects into formatted XML markup. - [Any File Converter](https://readyforfile.vercel.app/tools/converter/any-to-any): Universal document and data conversion interface. ### Image Tools (/tools/image) - [Image Compressor](https://readyforfile.vercel.app/tools/image/compressor): Compress JPG, PNG, and WebP images down to custom target file sizes (20KB, 50KB, 100KB, etc.) without server uploads. - [Image Resizer](https://readyforfile.vercel.app/tools/image/resizer): Resize image dimensions by exact pixels or percentage while maintaining aspect ratio. - [JPG to PNG Converter](https://readyforfile.vercel.app/tools/image/jpg-to-png): Convert JPEG images to lossless PNG format with transparency support. - [PNG to JPG Converter](https://readyforfile.vercel.app/tools/image/png-to-jpg): Convert PNG images to compact JPEG format with configurable quality. - [WebP Converter](https://readyforfile.vercel.app/tools/image/webp-converter): Modern next-gen image conversion to and from Google WebP format. - [Image Cropper](https://readyforfile.vercel.app/tools/image/cropper): Crop photos with standard aspect ratios (1:1, 16:9, 4:3) or custom freeform dimensions. - [Image Converter](https://readyforfile.vercel.app/tools/image/converter): Batch convert across multiple image formats. ### PDF Tools (/tools/pdf) - [Compress PDF](https://readyforfile.vercel.app/tools/pdf/compress): Compress PDF file size for email, web portals, and document archiving without server transmission. - [Merge PDF](https://readyforfile.vercel.app/tools/pdf/merge): Combine multiple PDF documents into a single organized file in custom order. - [Split PDF](https://readyforfile.vercel.app/tools/pdf/split): Extract specific page ranges or split large PDF files into individual pages. - [Image to PDF](https://readyforfile.vercel.app/tools/pdf/image-to-pdf): Convert collections of JPG, PNG, or WebP images into a single PDF document. - [PDF to JPG](https://readyforfile.vercel.app/tools/pdf/pdf-to-jpg): Render PDF pages as high-resolution JPG images. - [PDF to Image](https://readyforfile.vercel.app/tools/pdf/pdf-to-image): Export PDF document pages into image formats (PNG, JPG). - [PDF to Word](https://readyforfile.vercel.app/tools/pdf/pdf-to-word): Extract and format PDF content into editable Microsoft Word (.docx) documents. - [PDF OCR](https://readyforfile.vercel.app/tools/pdf/pdf-ocr): Extract selectable text from scanned PDF documents using in-browser Tesseract.js optical character recognition. - [Word to PDF](https://readyforfile.vercel.app/tools/pdf/word-to-pdf): Convert Microsoft Word (.docx) documents into standard PDF format. ### Text & Developer Tools (/tools/text & /tools/developer) - [Word Counter](https://readyforfile.vercel.app/tools/text/word-counter): Analyze text for word count, character count, reading time, and keyword density. - [Duplicate Line Remover](https://readyforfile.vercel.app/tools/text/duplicate-lines): Clean and deduplicate text lists, logs, and code. ### Calculators (/tools/calculator) - [Percentage Calculator](https://readyforfile.vercel.app/tools/calculator/percentage): Calculate percentage increases, decreases, discounts, and fractions. - [Age Calculator](https://readyforfile.vercel.app/tools/calculator/age): Calculate exact chronological age in years, months, days, and total days. - [Date Calculator](https://readyforfile.vercel.app/tools/calculator/date): Calculate duration between dates or add/subtract business and calendar days. - [EMI Calculator](https://readyforfile.vercel.app/tools/calculator/emi): Compute loan amortization schedules, monthly payments, and total interest. - [Unit Converter](https://readyforfile.vercel.app/tools/calculator/unit): Convert length, mass, temperature, area, volume, and digital storage units. ### QR & Barcode Tools (/tools/qr) - [QR Code Generator](https://readyforfile.vercel.app/tools/qr/generator): Generate custom QR codes for URLs, WiFi networks, vCards, text, and contact information. --- ## Technical Standards & Compliance - **CSV Formatting**: RFC 4180 compliant parsing and generation. - **PDF Standards**: ISO 32000 compliant document processing. - **Data Privacy**: Local sandbox compliant; zero telemetry or file transfer APIs invoked during processing.