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Quick Study 是一个由 Claude Opus 5.5 生成的浏览器工具，使用 canvas 元素和 Sobel 边缘检测，将照片以油画、水彩或点彩风格在几秒内逐笔'画'出来，支持对比原图、重新随机绘制并下载 PNG。
FloorGen is a free browser-based AI tool that generates floor plans from text descriptions or drawings, supports IRC code checks, 3D walkthroughs, printable plan sets, and integration with Claude and ChatGPT for editing.
Show HN 介绍 OldRoll Web，一款免费的浏览器端复古照片编辑器，提供 Digicam、Film、Y2K、VHS 等怀旧滤镜以及曝光、色彩、贴纸和拼贴等编辑功能，无需安装且支持移动端。
Cloudflare updated Kitesurf, their Workers-based browser for AI agents, with WebMCP support and improved DOM performance, prompting a developer to suggest using regular MCP servers for efficiency.
Flicka is a Chrome extension for creating launch-ready demos, featuring screen recording with auto-zoom, captions, and local processing to ensure privacy without uploading data.
A developer built a real-time slop detection tool with jev that operates during scrolling to identify low-quality content in browsers.
Tab Doctor is an open-source tool that manages Chrome tabs by switching to existing duplicates, snoozing tabs for later, and grouping stale tabs offline.
A Chrome extension for Hacker News that highlights submissions and comments by a user named Greg or linking to greg.technology, featuring a dancing Greg animation.
The article introduces trynix, a WebAssembly-based tool that enables running any Nix package from the past 13 years in a browser, and highlights a GitHub action for booting pull requests interactively.
A free browser-based image forensics tool that analyzes photos for signs of editing, AI generation, and other artifacts without uploading files, ensuring user privacy.
The user shared positive feedback on the 'Not Brother — X Relationship Observer' Chrome extension, which is free, open source, runs locally, and monitors relationship changes on the X platform.
God's Eye View V1 is an open-source browser tool that simulates spying on real-world entities like planes and satellites, featuring voice interaction and 3D annotation capabilities.
Glasp for Firefox is a tool that enables users to highlight and summarize any webpage, PDF, or video directly within the Firefox browser.
The author compiled a security layer for AI agent communication into a 33KB JavaScript file that runs in the browser, allowing users to test its defenses against various attacks like forged signatures and ensuring orders are contained in non-executable fields.
Simon Willison's markdown-svg-renderer tool has been upgraded with features to render Markdown with embedded SVG to formats like PNG, JPEG, and MP4 using ffmpeg.wasm in the browser.
CORS Chat is a browser-based tool for chatting with OpenAI Responses-compatible API endpoints, featuring custom headers, local conversation saving, and progressive SVG rendering.
SubtitleGenerator is a browser-based tool that uses AI to generate publish-ready subtitles from videos.
MergeImage is a free browser-based tool for merging and stitching up to 30 images locally, supporting horizontal, vertical, grid, and smart stitch layouts with privacy-friendly local processing.
FreqWave EQ is a browser-based real-time equalizer that lets users customize web audio.
Wokwi is an electronic circuit simulator that runs in the browser, supporting embedded system development like ESP32. You can drag and drop to build circuits, write code (including MicroPython), and simulate Wi-Fi behavior, allowing you to validate projects without hardware.