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Show HN: Restring – a fast, smart web toolbox for JSON, JWT, Base64, and more

https://restring.dev
3•kang_li•8h ago
I just built Restring — a fast, modern toolbox for everyday dev tasks like formatting JSON, decoding JWTs, and converting strings.

I know there are plenty of similar tools out there, but I wanted something that felt instant and smart.

- Fast: Built with SvelteKit and plain HTML/CSS, with minimal dependencies and no UI bloat. The whole site is under 300 KB zipped and feels lightning quick. - Smart: It tries to detect what you paste (like JSON, JWT, or Base64) and routes you to the right tool automatically.

Currently supports: Base64, JSON, JWT, URL, Color, and DateTime.

I’ve used React, Vue, and Flutter before, but building this with SvelteKit was a joy — intuitive, minimal, and just works.

Would love feedback, especially on the auto-detection logic and ideas for other tools to add.

Show HN: I created a cross-platform GUI for the JJ VCS (Git compatible)

https://judojj.com
57•bitpatch•9h ago•6 comments

Show HN: Playwright Skill for Claude Code – Less context than playwright-MCP

https://github.com/lackeyjb/playwright-skill
139•syntax-sherlock•12h ago•41 comments

Show HN: EloqDoc: MongoDB-compatible doc DB with object storage as first citizen

https://github.com/eloqdata/eloqdoc
31•iamlintaoz•1d ago•18 comments

Show HN: Online Sourcerer – The best answer to 'source?'

https://www.onlinesourcerer.org/
4•altugnet•2h ago•0 comments

Show HN: I built a Product Hunt alternative for African tech startups

https://www.buildin.africa
3•harryyking•3h ago•0 comments

Show HN: NativeBlend – Text to fully editable 3D Models that don't suck

https://native-blend-app.vercel.app/
2•addy999•5h ago•0 comments

Show HN: Pyversity – Fast Result Diversification for Retrieval and RAG

https://github.com/Pringled/pyversity
81•Tananon•1d ago•11 comments

Show HN: Open-Source Voice AI Badge Powered by ESP32+WebRTC

https://github.com/VapiAI/vapicon-2025-hardware-workshop
45•Sean-Der•1w ago•6 comments

Show HN: Restring – a fast, smart web toolbox for JSON, JWT, Base64, and more

https://restring.dev
3•kang_li•8h ago•0 comments

Show HN: Visual autocomplete for drawings (real-time Human-AI interaction)

https://github.com/olwal/AiDrawing
4•olwal•8h ago•0 comments

Show HN: Duck-UI – Browser-Based SQL IDE for DuckDB

https://demo.duckui.com
210•caioricciuti•1d ago•59 comments

Show HN: Browser-based PDF form fields detection (YOLO-based)

https://commonforms.simplepdf.com/
24•nip•1d ago•3 comments

Show HN: Web-directive.js – A directive pattern for native HTML

https://github.com/asika32764/web-directive
11•asika32764•1d ago•2 comments

Show HN: Hank – Simplest CLI tool to get errors in plain English

https://github.com/dillondesilva/hank
4•dillondesilva•16h ago•2 comments

Show HN: Smash Balls – Breakout and Vampire Survivors

https://smash-balls.app/
5•waynerd•16h ago•3 comments

Show HN: The Shape of YouTube

https://soy.leg.ovh/
36•hide_on_bush•1w ago•11 comments

Show HN: Inkeep (YC W23) – Agent Builder to create agents in code or visually

https://github.com/inkeep/agents
78•engomez•4d ago•49 comments

Show HN: ServiceRadar – open-source Network Observability Platform

https://github.com/carverauto/serviceradar
58•carverauto•2d ago•3 comments

Show HN: MarkdownConverters – Convert any file format to clean Markdown

https://markdownconverters.com
7•Dkaur•1d ago•4 comments

Show HN: CheckHN – A checklist for the most popular Hacker News posts

https://checkhn.ad-si.com
6•adius•1d ago•0 comments

Show HN: Syna – Minimal ML and RL Framework Built from Scratch with NumPy

https://github.com/sql-hkr/syna
7•sql-hkr•1d ago•0 comments

Show HN: Nova: Open-source solution for CAD file conflicts

https://github.com/agg111/nova
8•aishwaryagune•1d ago•0 comments

Show HN: We packaged an MCP server inside Chromium

https://github.com/browseros-ai/BrowserOS/blob/main/docs/browseros-mcp/how-to-guide.mdx
46•felarof•3d ago•16 comments

Show HN: Jotite – A whimsical Linux Markdown note-taking app

https://github.com/maxberggren/jotite
5•maxberggren•1d ago•0 comments

Show HN: Proxmox-GitOps: Container Automation Metaframework (Recursive Monorepo)

https://github.com/stevius10/Proxmox-GitOps
9•gitopspm•1d ago•1 comments

Show HN: Firm, a text-based work management system

https://github.com/42futures/firm
169•danielrothmann•5d ago•60 comments

Show HN: Land use visualization for European countries

https://onsland.koenvangilst.nl/
23•vnglst•2d ago•6 comments

Show HN: Hokusai Pocket (WIP) – Portable GUIs with MRuby

https://codeberg.org/skinnyjames/hokusai-pocket
4•zero-st4rs•23h ago•0 comments

Show HN: A large format XY scanning hyperspectral camera

https://www.anfractuosity.com/projects/waverider/
44•anfractuosity•1w ago•10 comments

Show HN: Halloy – Modern IRC client

https://github.com/squidowl/halloy
379•culinary-robot•5d ago•101 comments