Changelog

What's new: tools added, detection upgrades and site improvements.

2026-10-04 · v3.0

Site-wide redesign: unified green visual system, manual light/dark theme (remembered), ⌘K command palette to reach any tool from anywhere
New flagship "Network Health Check": exit IP / region & ASN / DNS / WebRTC / latency measured locally, streaming & AI probed straight from your browser, health score + shareable report link
New flagship "Cross-border Listing Generator": Chinese product info to Amazon / eBay / Shopify / TikTok English titles, bullets, descriptions and search terms; BYOK with any OpenAI-compatible API, key never stored
New homepage: terminal-style demo animation, category-filtered tool grid, privacy promise section
All 43 existing tools kept with the new skin — logic unchanged

Full English and Japanese versions of the site (/en/, /ja/) with hreflang, localized SEO metadata and a language switcher
Camera-based QR scanning added to the QR reader (upload, clipboard and camera)
Speed test upgraded: loaded latency / bufferbloat analysis, result interpretation, local history
Admin dashboard: page-level views, referrers, devices and public API call counters

Speed test added (Cloudflare edge: latency, jitter, download, upload + colo display)
Security hardening: visitor IP judgment via Caddy stamping + Cloudflare network-range validation
Fixed: hash tool missing its MD5 component, ambiguous 11/12-digit timestamps

IP check major upgrade: rDNS, ASN/prefix, RDAP registry country, native-IP verdict, IP type classification, any-IP/domain lookup, map
DNS leak test (self-hosted authoritative DNS) and Cloudflare colo detector added
Public API + embeddable visitor badge; API docs, FAQ and changelog pages
Anonymous visit statistics (footer badge later removed)

Fake address generator full version: 50 US states + DC, 7 countries/regions, state filter, bulk generation, CSV/JSON export, saved list, map links
Tool pages redesigned: category-colored icon headers, card-style info rows

7 new tools: password generator, barcode generator, QR reader, text cleaner, text diff, date calculator, HTML entity converter
Security headers site-wide (X-Frame-Options / nosniff / Referrer-Policy)

First release: 5 network checks + 10 developer/utility tools; visual redesign; netkit.tools on standard 443 architecture

Release history of the toolbox, updated continuously.