# QuickTools.one - Complete Documentation > Free, privacy-first browser tools for everyday file tasks. All processing happens locally in your browser — no uploads, no tracking, no sign-up required. Unlimited files with no watermarks. ## Overview QuickTools.one provides a comprehensive suite of file manipulation tools that run entirely in the browser. Using modern web technologies like WebAssembly and client-side JavaScript, all file processing happens locally on the user's device. This architecture ensures complete privacy — files are never uploaded to any server. The platform is designed for individuals and professionals who need quick, reliable tools for common file tasks without the friction of account creation, subscription paywalls, or privacy concerns. ----- ## PDF Tools ### Merge PDF **URL**: https://quicktools.one/pdf-merge Combine multiple PDF documents into a single file. Users can: - Add unlimited PDF files with no size or page limits - Drag and drop to reorder PDFs before merging - Preview before merging - Download the merged result instantly - No watermarks, no sign-up required **Use cases**: Combining invoices, merging report sections, consolidating scanned documents. ----- ### Compress PDF **URL**: https://quicktools.one/pdf-compress Reduce PDF file size while maintaining quality. Features: - Multiple compression levels (low, medium, high) - Compress to exact size requirements (e.g., under 200 KB) - Shows file size reduction percentage - Unlimited compressions with no throttling - Support for extreme compression up to 70% reduction **Use cases**: Email attachments, uploading to size-limited portals, archiving documents. ----- ### Split PDF **URL**: https://quicktools.one/pdf-split Extract specific pages or split a PDF into multiple files. Options include: - Split by page range (e.g., pages 5-18) - Extract individual pages - Separate all pages into individual files - Visual page selector - Works on desktop and mobile **Use cases**: Extracting chapters from ebooks, separating combined scans, creating smaller excerpts. ----- ### Delete PDF Pages **URL**: https://quicktools.one/pdf-delete-pages Remove unwanted pages from PDF documents. Features: - Visual page thumbnails for all pages - Select multiple pages for deletion at once - Preview before deleting - Delete from any position (beginning, middle, end) - Page thumbnails for easy identification - No file size limits **Use cases**: Removing cover pages, cleaning up scanned documents, removing blank pages. ----- ### Extract PDF Pages **URL**: https://quicktools.one/pdf-extract Extract specific pages from a PDF into a new document. Features: - Visual page thumbnails for preview - Multi-selection support - Extract one or multiple pages at once - Create smaller PDF excerpts - Works on desktop, tablet, and mobile - High-quality output preservation **Use cases**: Pulling specific pages for sharing, creating document subsets, extracting forms. ----- ### PDF to Image **URL**: https://quicktools.one/pdf-to-image Convert PDF pages to high-quality images. Features: - Multiple output formats: JPG, PNG, WebP - High-quality rendering suitable for printing - ZIP download for all pages at once - Select specific pages before converting - No watermarks on output **Use cases**: Creating presentation slides, sharing on social media, archiving as images. ----- ## Image Tools ### Resize Image **URL**: https://quicktools.one/resize-image Resize images to custom dimensions or by percentage. Supports: - PNG, JPG/JPEG, WebP, GIF formats - Resize by exact pixel dimensions - Resize by percentage (e.g., 50% of original) - Maintains aspect ratio option (locked by default) - Create thumbnails - Scale up or down with quality interpolation **Use cases**: Preparing images for web upload, social media sizing, thumbnail generation. ----- ### Compress Image **URL**: https://quicktools.one/compress-image Reduce image file sizes while preserving quality. Features: - Adjustable quality slider - Bulk compression (multiple images) - Before/after preview with file size comparison - Typical 50-80% size reduction - ZIP download for multiple files - Support for JPG, PNG, WebP, GIF - Works offline after page load **Use cases**: Optimizing images for websites, reducing email attachment size, saving storage space. ----- ### Image to PDF **URL**: https://quicktools.one/image-to-pdf Convert images into PDF documents. Features: - Supports JPG, PNG, WebP, GIF input formats - Single image or batch conversion - Merge multiple images into single PDF - Drag and drop to reorder pages - Convert photos, scans, and screenshots **Use cases**: Creating photo albums, converting scanned images to PDF, document archival. ----- ### Color Picker **URL**: https://quicktools.one/color-picker Extract colors and generate palettes from images. Features: - Automatic palette generation (5-20 dominant colors) - Eyedropper tool for exact pixel colors - Multiple color format support: HEX, RGB, HSL - One-click copy for all formats - Export palette as CSS variables or JSON - Color palette customization - Support for JPG, PNG, WebP, GIF formats **Use cases**: Design work, brand color extraction, web development, creating color schemes. ----- ## Technical Architecture ### Privacy Model - **No server uploads**: All processing uses client-side code - **No cookies or tracking**: No analytics that identify users - **No data retention**: Files exist only in browser memory during processing - **No account required**: Anonymous usage by design ### Technology Stack - Built with Next.js 16 and React 19 - TypeScript with strict mode - PDF processing via pdf-lib and pdfjs-dist - Image processing via Canvas API and native browser APIs - Color extraction via @quicktoolsone/palette - Styling with Tailwind CSS ### Browser Compatibility - Google Chrome 90+ - Mozilla Firefox 88+ - Safari 14+ - Microsoft Edge 90+ ----- ## Resources ### Blog The QuickTools.one blog contains tutorials, tool comparisons, and guides: - [Merge PDF Online Free: Top 5 Tools Compared](https://quicktools.one/blog/mastering-pdf-merging) - [Best Free PDF Compressor Online: Top 5 Tools Compared](https://quicktools.one/blog/compress-pdf-online-free) - [Split PDF Online Free: How to Separate PDF Pages Easily](https://quicktools.one/blog/split-pdf-online-free) - [Convert Image to PDF Online Free](https://quicktools.one/blog/convert-image-to-pdf-online-free) - [How to Delete Pages from a PDF Online Free](https://quicktools.one/blog/delete-pages-from-pdf-online-free) - [How to Extract PDF Pages Online Free](https://quicktools.one/blog/extract-pdf-pages-online) - [Compress Image Online - Reduce Image Size Without Losing Quality](https://quicktools.one/blog/compress-image-online-free) - [Convert PDF to Images Online Free](https://quicktools.one/blog/convert-pdf-to-image-online-free) ### Developer Blog (Build in Public) The creator documents the development journey, SEO experiments, and lessons learned: - [Week 1: Building boring tools that rank](https://medium.com/@eduardalbu_82257/week-1-building-boring-tools-that-rank-my-journey-to-1k-mrr-from-seo-be7c9a780a9b) - [Week 2: Shipping 5 tools, fixing SEO, and fighting for indexing](https://medium.com/@eduardalbu_82257/week-2-shipping-5-tools-fixing-seo-and-fighting-for-indexing-the-quicktools-one-journey-da98f1c896cf) - [Week 3: Real traffic, brand searches, and the first compounding effects](https://medium.com/@eduardalbu_82257/week-3-real-traffic-brand-searches-and-the-first-signs-of-compounding-seo-5d70aa1f0224) ----- ## Frequently Asked Questions **Q: Are my files uploaded to a server?** A: No. All processing happens in your browser. Files never leave your device. **Q: Is there a file size limit?** A: No artificial limits. Processing speed depends on your device's capabilities. **Q: Do I need to create an account?** A: No. All tools are available immediately without registration. **Q: Will my output have watermarks?** A: No. All outputs are clean with no branding or watermarks. **Q: Is QuickTools.one free?** A: Yes. All current tools are completely free to use. **Q: Can I use this for sensitive/confidential documents?** A: Yes. Since files never leave your device, QuickTools.one is suitable for confidential documents. **Q: Can I use the tools offline?** A: Yes. After the page loads, you can disconnect from the internet and the tools will continue to work. ----- ## Contact QuickTools.one is built and maintained by Eduard Albu, a system engineer and mobile developer from Romania. - Website: https://quicktools.one - Email: hello@quicktools.one - GitHub: https://github.com/QuickTools-one - Reddit: https://www.reddit.com/r/QuickToolsOne/ - X (Twitter): https://x.com/quicktoolsone - Medium: https://medium.com/@albueduard - npm: https://www.npmjs.com/package/@quicktoolsone/pdf-compress ----- ## Static Pages - **Homepage**: https://quicktools.one - **About**: https://quicktools.one/about - **Privacy Policy**: https://quicktools.one/privacy - **Terms of Service**: https://quicktools.one/terms - **Contact**: https://quicktools.one/contact - **FAQ**: https://quicktools.one/faq - **Blog**: https://quicktools.one/blog