Developer Tools1 month ago
Truth.Systems — Verify, or it's a lie.
Drop files to generate cryptographic proofs showing they haven't been modified, all in-browser.
@WiseEstSystems · X
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60 projects
Drop files to generate cryptographic proofs showing they haven't been modified, all in-browser.
@WiseEstSystems · X
Get a free payment link to collect payments for products, tips, or donations.
@payrequest_io · X
Edit PDFs in your browser with compression, merging, AI analysis, and no cloud uploads.
@pdfproindia · X
Accept crypto payments directly to your wallet with instant settlement and no intermediary.
@QBitFlowApp · X
— the worst part of shipping is getting paid, so we make crypto payments as simple as a card, but the money hits your wallet instantly and stays yours (no processor sitting on your funds). Would love your feedback 🙏
Embed a payment button on your website to accept payments instantly.
@coinmoebius · X
We built the buy button founders and merchants need. We'll be their payment layer.
Check any domain's SSL certificate and TLS security issues instantly.
tlsradar · HN
TLS Radar – Independent SSL/TLS Monitoring, Web and CLI and Claude
The simplest e-signature platform for busy founders. 100% free forever: unlimited signatures, templates, audit trails — no setup, no learning curve, no catch. Sign in under a minut
@GetSignFree1 · X
Scan websites for UI issues like broken images and console errors with instant AI fix prompts.
u/Exciting_Pineapple52 · Reddit
I built a Playwright monitor after CI passed but the live UI was broken, would this be useful? AI-assisted development has made it much easier for me to ship changes quickly. The downside: I’ve seen CI pass while the live page still had issues that customers would notice first broken-images, console errors, layout shifts, and overflowing text. The lesson for me was that tests and logs are necessary, but they don’t always show what a real visitor sees after deployment. So I built Lampwatch
Send professional invoices in 156 currencies with unlimited clients. Estimates and quotes are always free, credits never expire, and there is no monthly bill. No card to start.
@getbillinghub · X
Invoicing you pay for by the invoice, not by the month. There's a free generator if you'd rather see the output than read about it — no account, no email.
Best free QR code generator online — codes that never expire. No watermarks, no signup, no annual lock-in. 50+ types: WiFi, vCard, PDF, custom logo.
@ktat93 · X
A lot of things actually: 1. (qrcode generator - $120mrr) 2. (analytics soon + monitoring) 3. 4. (~10k visitors)
110+ free developer tools including JSON formatter, JWT decoder, and regex tester that run entirely in your browser.
@abhilakshharora · X
Just launched DevTab on Product Hunt 🚀 110+ dev tools that run 100% in your browser. Zero server calls. No signup. Free forever. Would love your support 🙏 → #buildinpublic #DevTools
Free 100v100 browser shooter with real players, no download or account needed.
u/SimesBis · Reddit
CrowdWar v0.4.1 : a solo 100v100 browser shooter (no download) whose roadmap is voted by players on the death screen. Vanilla JS + Node, on a free-tier ARM box. I've been building CrowdWar solo — a 100-vs-100 top-down multiplayer shooter that runs entirely in the browser (no download, no signup; pick a side and you're in a live battle in ~2 seconds). Sharing where it's at after this week's update, v0.4.1 . The stack : vanilla JS + canvas on the client, a Node.js WebSocket