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Measured on six things

CLI-first developer utilities: zero-setup tools you curl ...

Growth

Launched on Product Hunt three days ago. Zero GitHub presence, no reviews, minimal mentions. Early trajectory only.

Screenshots

1 / 1

curlhub.sh

About this app

curlhub.sh is a brilliant collection of CLI-first developer utilities that require zero setup—you simply curl them straight from your terminal. It's like having a Swiss Army knife for common dev tasks: generating UUIDs, passwords, API keys, QR codes, encoding/hashing, JSON validation, JWT decoding, cron expression translation, User-Agent parsing, and even ephemeral file transfers. Every tool is designed for speed and privacy—server-side CSPRNG for secrets, no logging of tokens or data, and client-side processing where possible. For web developers, it's a lifesaver for quick debugging without leaving the command line. The security tools (SSL decode, whois, port scanning via qsa.sh) add a nice ops flavor. I found myself using `/uuid`, `/pass`, and `/json` constantly. The pastebin (`/p`) and hook inspector (`/hook`) are also incredibly useful for testing webhooks. It's open-source friendly and completely free. If you live in the terminal, this is a must-bookmark.

Key features

1Zero-setup CLI tools via curl (UUID, passwords, JWT decode, webhook inspector, QR, etc.)
2Privacy-first: server CSPRNG, no logging, client-side processing where possible
3Ephemeral file transfer, port/SSL scanning, cron translation, and /hook inspector

Target customer profile

Drawn from the product itself, not from a survey.

Demographic

Full-stack developers, DevOps engineers

Pain points

Need quick, secure random values (UUIDs, tokens) without leaving terminal; tired of installing separate tools

Primary needs

Zero-setup utilities, privacy-focused, CLI-native

Demographic

Security auditors, penetration testers

Pain points

Need to generate high-entropy passwords/API keys, inspect SSL certs, perform quick IP/port scans

Primary needs

Cryptographically secure random generation, SSL inspection, quick network diagnostics

Demographic

API testers, webhook developers

Pain points

Testing webhooks requires setting up endpoints; need quick JSON/JWT debugging

Primary needs

Webhook inspector, JSON prettifier, JWT decoder, no log retention

Demographic

Sysadmins, IT support staff

Pain points

Need to parse cron expressions, explain HTTP status codes, decode CIDR notation quickly

Primary needs

Command-line reference tools, quick lookups, minimal dependencies

Scout Review

Written by AI from measured evidence, scored out of 100.

A genuinely useful Swiss-army-knife of curlable dev utilities that delivers on the zero-setup, privacy-first promise for terminal users. Strong speed and solid usability are let down by a brand-new growth profile and a few polish gaps in design and accessibility. Best for devs who already live in the shell and want quick UUIDs, JWT decoding, webhook inspection, and more without leaving the prompt.

Measure by measure

Usability

True zero-setup CLI experience with dozens of documented tools. Email CTA feels misplaced for the audience; /help and /spec provide solid reference.

Design

Clean terminal aesthetic with consistent orange accents and realistic code mockups. Grid feels cramped and header spacing is tight.

Speed

Excellent Lighthouse scores (97 mobile / 100 desktop) with fast LCP and zero layout shift. CLI responses feel instant by design.

Security

Strong header set and explicit no-log/privacy claims. HTTPS not enforced per probe; no third-party audits or certifications published.

Accessibility

Solid 89 auto score undercut by contrast, heading order, and link-color failures. No manual a11y docs or statements found.

Growth

Launched on Product Hunt three days ago. Zero GitHub presence, no reviews, minimal mentions. Early trajectory only.

Improvement areas

Enforce HTTPS and add published security/audit documentation
Improve color contrast, heading order, and link accessibility per Lighthouse
Build visible GitHub presence and community docs to accelerate growth

Design & Usability

curlhub.sh nails the CLI-first aesthetic with believable terminal mockups and consistent orange branding that ties the logo, headline keyword, and CTA together. The grid of two dozen tools feels a bit cramped below the fold, but the dark code examples make copy-paste commands immediately usable. Usability shines through true zero-setup access—no installs, no accounts for core features—and extensive in-terminal documentation via /help, /spec, and /man. The misplaced email signup CTA is the main friction for an audience that lives in the terminal.

Speed & Security

Performance is excellent per Lighthouse (97 mobile, 100 desktop) with near-instant LCP and perfect CLS/TBT, matching the promise of snappy CLI responses. Security posture includes a solid set of headers (CSP, HSTS, etc.) and strong privacy claims around CSPRNG secrets and no logging, though HTTPS enforcement is missing per the probe and no external audits are published. For a free, privacy-focused utility this is table-stakes competent rather than enterprise-grade.

Accessibility & Growth

Accessibility lands in the middle thanks to an 89 Lighthouse score offset by real failures in color contrast, heading hierarchy, and link styling. No dedicated a11y statement or multi-language support appears on the site. Growth is predictably low for a product launched on Product Hunt just three days ago—zero GitHub activity, no reviews, and only thin family-site mentions. Early days, but the trajectory depends on whether the terminal crowd actually bookmarks it.

Conclusion

If you spend your days in the terminal, curlhub.sh is worth bookmarking right now. Just don't expect a mature community or audited compliance yet.

Suggestions for improvement

Add a visible focus state and better contrast to the email input and nav links.
Enforce HTTPS redirects and publish a short security or privacy page.
Create a public GitHub repo with the tool list and invite community contributions to /man.
Fix the three failing Lighthouse a11y audits before the next Product Hunt wave.

How we score

Alternatives comparison

Named competitors, point by point. Nobody paid to appear here or to be left out.

	curlhub.sh	httpbin.org	uuidgenerator.net	jwt.io
CLI / curl native access	Yes - all tools invoked directly via curl	Partial - HTTP inspection only, no generators	No - web-only UUID generator	No - web-only JWT debugger
JWT decoding	Yes - /jwt endpoint, no verify, never logged	No	No	Yes - full web debugger with verify
UUID generation	Yes - /uuid RFC 4122 v4 via curl	No	Yes - web only	No
Webhook inspection	Yes - /hook mints temp endpoint	Partial - request inspection only	No	No