Indie developer building business‑oriented web products.
Using Vue, NuxtJS & Cloudflare to launch lightweight web tools.

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Genglin Zheng • Peerlist

<h3>MinoPDF offers a comprehensive suite of free online PDF tools designed to streamline your document workflow with a strong emphasis on privacy and local processing.</h3><ul><li>Convert, Merge, Extract, Compress, Rotate, and Clean PDFs: Perform a wide range of PDF manipulations directly in your browser.</li><li>Local Processing: All tools run locally, meaning your files are never uploaded to a server, ensuring maximum privacy and security. You can even work offline after the page has loaded.</li><li>No Sign-Up, No Watermark, No Daily Limits: Enjoy unrestricted access to all features without needing an account or facing any limitations.</li><li>Seamless Workflow: Chain operations together by passing the output of one tool directly to the next compatible tool without re-uploading or re-selecting files.</li><li>Inspect and Clean PDFs: Easily view what information a PDF file contains, such as metadata, comments, and links, and remove sensitive data before sharing.</li><li>Wide Range of Conversions: Convert between PDF and various formats including Images, TXT, Markdown, HTML, EPUB, and SVG.</li><li>Organize Pages: Merge multiple PDFs, extract specific pages, rotate pages, and resize them.</li><li>Extract Content: Extract text layers, embedded images, and even generate a Markdown version of your document.</li><li>Privacy-Focused: MinoPDF only records anonymous usage statistics and never tracks or analyzes your file content.</li><li>Supported Tools: Includes PDF to EPUB, TXT to PDF, Redact PDF, Merge PDF, Extract Text from PDF, Flatten PDF, Rotate PDF, PDF Metadata Viewer, Compress PDF, and Image to PDF, among others.</li></ul>MinoPDF is built on trust, not on uploads, providing a fast, private, and efficient way to manage your PDF documents.

MinoPDF

<h3>Local AI-Powered Media Cleanup</h3>MinoRemove offers a suite of tools designed to remove watermarks, logos, text, and unwanted objects from images and GIFs directly within your browser. Leveraging local AI processing, your original media is never uploaded to remote servers, ensuring privacy and security. The platform supports various image formats including JPG, PNG, WebP, and GIF, with video watermark removal planned for future development.<ul><li>GIF Watermark Remover: Efficiently removes visible watermarks, logos, and text overlays from animated GIFs by processing them frame by frame locally.</li><li>Image Watermark Remover: Erases watermarks, logos, text, and timestamps from static images using AI, with all processing done in your browser.</li><li>Object Remover: Allows you to erase unwanted objects, people, or clutter from photos without uploading your original media.</li><li>Text Remover: Removes visible text, captions, labels, or specific text areas from supported images locally.</li><li>Background Remover: Enables the removal of backgrounds from images, exporting a transparent result where supported.</li><li>Metadata Remover: Checks and removes supported EXIF and GPS metadata from images, keeping your data private.</li></ul>The workflow is designed for simplicity: upload your media, mark the area to be cleaned using a brush or box selection, and preview the AI-generated repair before exporting the final, clean file. MinoRemove is free to use, supported by advertising on content pages. Processing times vary based on device, file size, and the complexity of the area being repaired.

Mino Watermark Remover

<h3>Free Online JSON Tools for Developers</h3><ul><li>Format, Validate, Convert, Compare JSON: Perform a wide range of JSON operations directly within your browser.</li><li>Client-Side Processing: All tools operate locally, ensuring your data never leaves your device. This means 100% privacy and security, with no uploads or tracking.</li><li>JSON Editor: Edit JSON data with real-time syntax highlighting and validation.</li><li>JSON Schema Validator: Validate your JSON data against a defined JSON Schema to ensure structural integrity and data type correctness.</li><li>JSON to CSV Converter: Easily convert JSON arrays into CSV format, suitable for use in Excel and Google Sheets. Supports field selection and flattening of nested objects.</li><li>JSON to YAML Converter: Convert JSON data into YAML format, ideal for configuration files, Kubernetes, and Docker Compose.</li><li>JSON to TypeScript Converter: Automatically generate TypeScript interfaces from JSON examples, simplifying type definition.</li><li>JSON Compare: Compare two JSON documents side-by-side and instantly highlight all differences, including added, removed, and modified values.</li><li>JSONPath Tester: Test JSONPath expressions to efficiently find and extract specific data from your JSON.</li><li>JSON Minifier: Compress JSON data by removing all unnecessary whitespace, resulting in smaller file sizes.</li><li>JSON to XML Converter: Transform JSON objects and arrays into structured XML documents.</li></ul>JSON Toolbox is a free, open-source collection of essential JSON utilities designed for developers, data analysts, and anyone working with JSON data. Experience fast, secure, and efficient JSON manipulation without the need for any installations or server-side processing.Key Features:<ul><li>100% Client-Side: Data privacy is paramount; all operations are performed locally.</li><li>Fast &amp; Free: No sign-up, no limits, and no cost.</li><li>Multi-Language Support: Available in English and Chinese, with more languages planned.</li><li>Commercial Use Allowed: Licensed under MIT, free for personal and commercial projects.</li></ul>

JSON Toolbox

<h3>Welcome to Quiz Games Online, your ultimate destination for engaging trivia experiences. Dive into a world of knowledge with our Daily Quizzes, exciting Trivia Games, and interactive Group Challenges. Test your intellect in our fast-paced Trivia Game, where you'll answer 5 questions in just 60 seconds. Return daily for fresh questions in our Daily Quiz and discover new challenges every day. Compete head-to-head with friends in our Challenge mode to see who reigns supreme on the leaderboard. You can also create your own custom quiz and invite friends to play together in our Group Quiz feature. Today's Challenge offers 5 new questions with a 60-second time limit – how high can you score? Check out the Top Players today to see the current leaders and their scores. Join our vibrant community by joining our Telegram group for exclusive daily challenges, group quizzes, and more. Explore various content sections including Trivia Questions, Leaderboard, How to Play guides, FAQs, and our Community forum. Connect with us via our Telegram Bot for seamless interaction.</h3><ul><li>Play Trivia Game: Answer 5 questions in 60 seconds.</li><li>Daily Quiz: New questions every day.</li><li>Challenge: Compete with friends.</li><li>Group Quiz: Create and join group challenges.</li></ul>All your trivia needs are met here, from quick games to social competitions. Visit our Telegram group for more interactive fun.

Play Trivia, Daily Quiz, and Group Challenges

<h3>Edit and optimize images online for free.</h3><ul><li>Compress, resize, crop, and convert photos instantly.</li><li>Process multiple images at once in your browser - no upload, 100% private.</li><li>Your files never leave your device.</li><li>No account needed.</li><li>Process 1,000+ images at once.</li><li>Free forever.</li></ul>BulkPicTools offers a suite of over 40 free, local-first tools designed for efficient image processing. Whether you need to compress images to specific file sizes (e.g., 100KB, 1MB, 2MB), convert between formats like HEIC to JPG, resize for social media, crop for specific dimensions (like passport photos), or even remove backgrounds, BulkPicTools handles it all directly in your browser. The entire process is performed locally using WebAssembly, ensuring your data privacy and security as no files are ever uploaded to a server. This makes it an ideal solution for bulk image editing tasks without the need for complex software like Photoshop or online uploads.<h3>Key Features:</h3><ul><li>Local Processing: All operations happen in your browser, guaranteeing 100% privacy.</li><li>Batch Processing: Handle thousands of images simultaneously.</li><li>Wide Format Support: Works with JPG, PNG, WebP, GIF, HEIC, AVIF, and more.</li><li>Extensive Toolset: Includes compression, resizing, cropping, conversion, color adjustments, background removal, and GIF creation.</li><li>Offline Functionality: Tools work even without an internet connection.</li><li>No Account Required: Start editing immediately without signing up.</li><li>Free to Use: All tools are completely free with no watermarks.</li></ul>BulkPicTools empowers users to manage their images efficiently and securely, offering a powerful, privacy-focused alternative to traditional online image editors.

Genglin Zheng

Indie developer building business‑oriented web products. Using Vue, NuxtJS & Cloudflare to launch lightweight web tools.