
Cozy Browser - Aesthetic Lo-Fi New Tab & Pomodoro Focus Timer
Transform your Chrome New Tab page into a cozy living pixel room with Lo-Fi chill music, Pomodoro study timer, ambient sound mixer, and multi-language support.
@DevanshuRuhela · X
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Transform your Chrome New Tab page into a cozy living pixel room with Lo-Fi chill music, Pomodoro study timer, ambient sound mixer, and multi-language support.
@DevanshuRuhela · X

69 free in-browser web tools for everyday tasks, small PDFs, remove BG, photo editing & code. 100% private — your files never leave your device.
@DevanshuRuhela · X

Generate Chrome Web Store and Firefox Add-ons screenshots with AI. Upload raw captures, get polished store-ready marketing visuals in 2 minutes. Free to try.
@sherifgjini · X
- store-ready screenshots for chrome extension devs

Browser-based tools for formatting, encoding, testing, and converting data.
4seasons · V2EX
devfun.org - 开发者(网络)工具集合 ## 访问地址 https://devfun.org ## 主要功能 - 本机 IPv4/IPv6 网络检查及 IP 信息查询 - 站点可访问性检查(支持全球区域) - 代理检查及代理全球出口检查 - 各类编解码、格式测试、文本格式化、校验密钥生成、文本处理、转换工具 欢迎大家使用,提供建设性的建议和意见!

Generate natural speech from text entirely in your browser, with adjustable speed and variation.
g58892881 · HN
Inflect TTS v2+ONNX, 9M/4M text-to-speech models running in the browser

Browser extension that customizes webpages with text prompts for styling, layout, and feature changes.
alentodorov · HN
built it in spring 2026--ready to share today. use opus 4.8 to create css and js snipptes to style the websites you visit the way you want. make nytimes more print-like, hn more matrix, or just replace any mention of AI with the :poop-emoji" -- your call.

Share and collaborate on standalone HTML files in real time. Leave comments, drop sticky notes, and edit files directly in your browser.
u/Vast-Grapefruits · Reddit
I built a tool to collaborate on HTML artifacts like a PowerPoint As a consultant, I've watched artifacts become more common as a way to communicate ideas and insights, both internally and with clients. The problem is there's no good way to comment on them, collaborate, or make quick edits; so in practice, they're slow to actually use. I built a free tool that lets you leave comments and edit directly, all while sharing with your team. After you make your edits you can export

Use 100+ free browser-based tools for formatting code, decoding strings, generating CSS, and testing regex.
@suketudigital · X

Chrome extension that blocks distractions without blocking the websites you need.
@mashrurio · X

Free browser tools for formatting code, minifying files, testing regex patterns, and merging PDFs.
@546_md · X
I recently launched CodeToolsStudio, a collection of privacy-first developer tools for things like JSON, JWT, Regex, Base64, timestamps and more. you can test it here: 🌐 I'd genuinely appreciate feedback on what you'd improve or add to it

Free browser utilities for developer work, hardware testing, and audio—100% client-side with no data uploads.
ChillyCapy · HN
CapyToolkit – Browser-native developer and hardware diagnostic tools

Chrome extension that organizes bookmarks visually on new tabs with workspaces and notes.
@IamYashKapoor · X
Built Tabisto (bookmark manager), a free Chrome extension and launched it in 5 days using Claude Code. Must try, you will really love it.