
JSON Wallet — Free Online JSON Editor & Formatter
Paste JSON code to edit, format, validate and transform in your browser without uploading data.
@bhushankuma491 · X
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Paste JSON code to edit, format, validate and transform in your browser without uploading data.
@bhushankuma491 · X

Free no-login business tools for freelancers: invoicing, VAT calculation, quotations, expenses, and naming.
@tools_loop · X

Create and share a waitlist page instantly without signup or coding.
@emaestre_dev · X
EarlyLists puts a working waitlist on your site in under a minute; No account, no code, you just get a link and start collecting signups.

Generate personalized cold emails from your company name and description in seconds.
@BObalabi1 · X
Product designer working at the intersection of AI, UX, and product strategy. Portfolio: • • Most client work is under NDA, so sharing a few personal projects that showcase my design and product thinking. Happy to connect 👋


Create and export flowcharts, sequence diagrams, ERDs, and other Mermaid diagrams online.
ghosts_ · HN
I've been slowly adding some new free tools to Moxie Docs (partly for SEO, partly to illustrate some of our feature sets before any commitment) for some reason this mermaid editor one blew up on Google rankings so I figured I'd share in case people find it useful! We also have ADR, AGENTS.md, LLMs, and a few other free tools.

Generate follow-up emails for unpaid invoices instantly, no signup needed.
@forgeos_ai · X
🚀 First public build. I just launched Forge Invoice — a tiny tool that helps freelancers generate follow-up emails for unpaid invoices. No signup. Free. Copy & send instantly. I'd love your feedback. #buildinpublic #indiehackers

Manage overdue invoices with a dashboard, case queue, reminders, and customer payment portal.
@dmytroships · X

Turn your handwriting into an installable OTF font.
@alpsariyer · X
Building Penform, a browser-based tool that turns handwriting into a real installable font with supporting alternates.

Create and publish landing pages from Claude or ChatGPT with automatic lead-capture forms and SEO.
u/Key_Average1083 · Reddit
Creating landing pages was always a bottleneck I write a weekly newsletter and I'm always having to juggle a few tools just to stand up a lead capture page or a product launch page. I'd load all of my context into Claude or ChatGPT and ask it "help me draft a landing page for this product". It would produce good results, but then I'd have to copy and paste into Carrd, format things - a lot of manual work I didn't want to do. I could've used something like Lovable or Framer, but I didn't w

Protect your email and calendar by requiring unknown senders to solve a CAPTCHA or pay a fee.
felixdoerp · HN
Hi HN, The one thing AI reliably does is generate noise. Half the tools I see launch are just machines for producing more noise across more channels. And people are starting to see this in the form of emails in their inboxes as spam filters are struggling. There used to be a useful signal in email: the effort a sender put into customizing a message was a rough proxy for how relevant it actually was. AI killed that. Now it's customized slop with the appearance of effort with none of the cost. It is painful that the open internet / open channels have been abused like this. Captchainbox applies the idea of proof-of-work to email. If a sender is willing to do a bit of work to reach you, the message is more likely to be worth your time and the sender more likely to be real. The work is a traditional captcha. You can also set a pay-to-deliver amount if you want more friction. The proceeds of the delivery payment after transaction costs go to the Internet Archive and the EFF. The tool curr

AI fitness platform with camera-based form coaching, meal scanning, and 3D muscle maps.
@formabuild · X
— free AI fitness app where your camera does the work: snap a meal for calories + a score for your goal, film a set for rep-by-rep form coaching. 🏋️