Developer Tools6 hours ago
CrewScore — find missing written guardrails
Check AI assistant instructions for missing guardrails with 23 browser-local controls.
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shmindmaster · HN
CrewScore – coverage check for AI agent prompts (0.6.11)
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Check AI assistant instructions for missing guardrails with 23 browser-local controls.
shmindmaster · HN
CrewScore – coverage check for AI agent prompts (0.6.11)
Edit images, convert files, browse SVGs, review sequences, trim video, edit audio, and inspect 3D models locally without uploads.
@motionvector3 · X
Useful online tools for creators
Reflow PDFs in your browser using a local AI model.
ldenoue · HN
Show HN: PDF reflow in the browser with local AI model
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
Use fast calculators and browser-local utilities for AI costs, local hardware, automation, website planning, and everyday decisions.
@Erko95261453 · X
Chrome extension that blocks distractions without blocking the websites you need.
@mashrurio · X
Free tools to convert, compress, and edit files directly in your browser without uploads.
@faisalhaleem · X
Just launched — free browser-based file tools runs entirely in your browser. Video to GIF (with trim slider) Merge / Split / Shrink PDF Your files NEVER leave your device. No sign-up needed. Free forever. #buildinpublic #webdev #indiedev #tools #privacy
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.
Local-first cognitive runtime with live AST graphs, runs in your browser with no data sharing.
@fortsignal1 · X
Control your Mac's iOS Simulator from any browser or mobile device over encrypted WebRTC.
@kei_sidorov · X
Remote iOS vibe coding used to be painful because of the installation loop. Build → upload → install → launch → test → repeat. That cycle kills iteration. So I built Now I can connect to my iOS Simulator from anywhere and test changes in seconds.
Create custom apps and tools in your browser without writing code.
thejarren · HN
Hey HN, I'm really excited to share Emra with you. The yc description would be: It's like "Notion meets Lovable". It's a workspace where you build full apps using AI and every app sits on one shared database and service layer. Generated apps are always editable, and (coming soon:) can interact with each other in the workspace. I'm of the opinion that the cost of software will go rapidly to zero (I don't think that's too surprising to any of you), but there will always be room for effort and creativity. Emra is essentially built for the future where every person is a developer. Essentially personal software for everyone. So far I've built notes apps with a 3d graph view to see connections, a video editing app and a canvas design tool (figma clone) with export capabilities, as well as a collection of project management tools and games. Right now the most satisfying thing is being able to fix a bug I run into in around the same amount of time that it takes to send a bug report in any tr
Manage and control your coding agents from any browser or mobile device.
@vilmire_tmp · X
Tired of alt-tabbing between terminals to check if my coding agents were done, stuck, or waiting on approval. So I built ADHDev: control Claude Code / Codex / Cursor CLI from your browser or phone, on every machine you own. AGPL self-hosted edition too.