The full gallery
Tech stack
60 projects
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
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.
Eight free browser-based tools including JSON formatter, password generator, and color picker.
@Supportpintutec · X
Just launched QuickTools — 8 free online tools 🛠️ Word Counter • JSON Formatter • Password Generator • Color Picker 100% browser-based, no signup 🔗 #SideProject #WebDev #FreeTools #BuildInPublic
Cloud browser infrastructure helping AI agents automate web tasks at scale.
lexmount · GitHub
moli Best browser for AI agents, built in Rust.
Browser tools for practical fixes to everyday software tasks, starting with GitHub.
yusveng · HN
Workaround – Unstar GitHub Repos in Bulk
Browse and copy production-ready Node.js backend components inspired by shadcn/ui
@_akkal_dhami · X
Chrome extension that intercepts secrets before you paste them into AI tools.
@Secureintent_ai · X
SecureIntent is a free Chrome extension that intercepts API keys, tokens, and passwords before you accidentally paste them into AI tools
Use fast calculators and browser-local utilities for AI costs, local hardware, automation, website planning, and everyday decisions.
@Erko95261453 · X
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
Browser tools for image resizing, JSON formatting, PDF processing, text analysis, and design without login.
musekit · Product Hunt
Free AI Tools Free browser tools for everyday tasks, no login
90+ free browser tools for converting, compressing, and calculating files entirely on your device.
u/Current-Parking-1296 · Reddit
dzzz.ai over 90 tools in one website privacy focus Hey r/SideProject , I kept uploading private invoices and contracts to random "free PDF tool" sites just to compress a file. Eventually it occurred to me that the browser can do this locally — so I built dzzz.ai : over 90 tools that run entirely on your device. PDF compress/merge, video trim and conversion, background removal, HEIC→JPG, document scanning with your camera, audio transcription, CSV cleanup. All WebAssembly — ffmpeg, Ghost
Share a private link to collect client files, copy, and approvals—no login required.
@poweroverthink · X
Stop chasing clients for files, copy and feedback. BriefBasket keeps everything in one simple place.
