Small tools that do one job extremely well.

AITHER Tools is a growing collection of focused micro-tools for people who build — founders, marketers, operators, makers. No suites. No dashboards you'll never open. Each tool earns its place by solving one real problem, completely.

The shelf · 4 free checkers · every verdict traceable to a fact

AITHER Original · 01

LIVE

Pricing Page Checker

Tear down any SaaS pricing page — yours or a competitor's. Plans, billing toggle, trial, proof, FAQ, anchoring: each detection shown with the exact text it matched.

CHECK A PRICING PAGE →

AITHER Original · 02

LIVE

Link Preview Checker

See exactly how a URL's card renders on LinkedIn, X, WhatsApp and Slack — with every missing OG tag flagged and the copy-paste fix, plus real og:image dimension math.

CHECK A LINK →

AITHER Original · 03

LIVE

Email Checker

Paste up to 100 addresses — live MX lookups, disposable and role detection, SPF/DMARC posture, domain age. The free pre-flight before you pay a verifier per contact.

CHECK EMAILS →

AITHER Original · 04

LIVE

Guard

SPF, DMARC, DKIM and blacklist checker for your sending domain. Real DNS lookups, plain-English fixes. Find out before your cold email silently goes to spam.

CHECK MY DOMAIN →

One job each

A tool that does everything helps with nothing. Every AITHER tool has one job and a sharp edge.

Useful in minutes

Setup measured in minutes, value on day one. If it needs a manual, it doesn't ship.

Priced like a tool

Fair, small, monthly. Cancel anytime. Tools should pay for themselves in a day.