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Exit IP, DNS leaks, streaming unlock, AI availability — one scan answers it all, nothing to install. Plus 45+ developer and productivity tools, free to use.
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NETWORK · Network
PRIVACY · Privacy
STREAMING · Streaming
AI · Artificial intelligence
Need streaming / AI details and a shareable report? Open the full check →
Toolbox
46 handy tools, all free without keys. Hit ⌘K to jump to any of them.
Network Health Check FLAGSHIP
One-click check of exit IP, DNS leaks, WebRTC, streaming unlock and AI availability — with a shareable report.
Cross-border Listing Generator FLAGSHIP
AI listing copy for cross-border sellers: titles, bullets and descriptions for Amazon / eBay / Shopify / TikTok.
IP Purity Check HOT
Check your egress IP's location, ISP and ASN; evaluate datacenter / proxy / residential traits with a risk score.
Streaming & AI Unlock Test HOT
Test whether the egress IP can access ChatGPT, Netflix, Disney+, YouTube, Claude and more.
WebRTC Leak Test
Check whether WebRTC exposes your real IP even when you are behind a proxy.
Browser Fingerprint
Inspect UA, Canvas, WebGL, timezone and hardware fingerprints plus a combined hash.
Port Scanner
Probe common ports on any public IP / domain from outside, with custom ports.
Speed Test HOT
Measure latency, jitter, download and upload against Cloudflare's global edge — plus the data center you hit.
DNS Leak Test
See which DNS resolvers actually resolve on your behalf and where they are located.
Cloudflare Detector
Find out which Cloudflare data center (colo) your connection hits, plus country and protocol.
JSON Formatter HOT
Format, minify and validate JSON with error positions; 2/4 spaces or tabs.
Base64 Encode / Decode
Base64 encode and decode with full UTF-8 (Chinese, emoji) and URL-safe support.
URL Encoder / Decoder
URL encode and decode in component (encodeURIComponent) or full-URL mode.
Timestamp Converter
Convert Unix timestamps to dates and back online — seconds or milliseconds auto-detected, shown in your local timezone.
Regex Tester
Test regular expressions live with match highlighting and capture groups.
QR Code Generator HOT
Generate QR codes for text, links, WiFi and more; download as PNG.
QR Code Reader Online
Read QR codes online from an uploaded image, the clipboard, or your camera — decoded fully locally in your browser.
UUID Generator
Bulk-generate cryptographically random UUID v4 with formatting options.
Hash Calculator
Compute MD5, SHA-1, SHA-256, SHA-384 and SHA-512 of any text.
Word Count Online
Online word counter: count words, characters, CJK/English words, lines, paragraphs and UTF-8 bytes as you type.
Image Compressor
Compress JPG / PNG / WebP locally with quality and format control — nothing is uploaded.
Text Cleaner
Batch-trim whitespace, remove empty and duplicate lines, with natural sorting.
Text Diff
Line-by-line comparison of two texts highlighting additions, removals and changes, with optional whitespace ignoring.
Date Calculator
Calculate the number of days between two dates online, or add and subtract days from any date with exact calendar math.
Password Generator
Generate strong passwords locally: length, character sets, ambiguous-character filter.
Online Barcode Generator
Generate CODE128 / CODE39 / EAN13 / EAN8 / UPC / ITF14 barcodes online in your browser and download PNG instantly.
Fake Address Generator HOT
Generate fictional addresses for the US (50 states + DC), Canada, UK, Australia, Germany, Japan and Hong Kong — states, cities and ZIPs match.
HTML Entity Encoder
Encode / decode HTML entities, named and numeric.
DNS Records Lookup
Look up A / AAAA / CNAME / MX / TXT / NS / SOA records of any domain.
Domain Info (WHOIS/RDAP)
Registrar, registration / expiry dates, nameservers and status of any domain via the RDAP standard.
HTTP Headers & Redirects
Inspect status codes, Server and key headers of any URL, with the full redirect chain — also expands short links.
SSL Certificate Check
Inspect a site's TLS certificate: issuer, days until expiry, SAN domains and protocol version.
Is It Down?
Check whether a site opens from this server (US): status code, response time and hops.
CIDR Calculator
Enter an IP or CIDR (e.g. 192.168.1.0/24) to get network / broadcast address, usable host range and count.
JWT Decoder HOT
Decode a JWT's header and payload, inspect the algorithm and expiry countdown (no signature verification).
TOTP Online Generator
Generate TOTP / 2FA codes online — Google Authenticator, Authy and 1Password compatible. Runs locally in your browser; the secret never leaves this page.
AES Text Encrypt / Decrypt
Password-based AES-GCM encryption and decryption locally (PBKDF2 key derivation), base64 output.
Radix Converter
Convert integers between base 2 / 8 / 10 / 16 (BigInt supported) with byte-aligned binary display.
Case Converter
Convert between camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE and Title Case.
Color Converter & Picker
Convert colors between HEX, RGB and HSL online, with live swatch preview, contrast hints and the native eyedropper.
Cron Expression Parser
Explain a cron expression in plain words, compute the next 5 runs and validate syntax.
Markdown Converter
Convert Markdown to HTML with live preview, and HTML back to Markdown.
CSV / JSON Converter
Convert CSV to JSON (header row, delimiter options) and JSON arrays to CSV.
Public API
Public, key-free JSON APIs: IP info (self or any IP), streaming unlock, port probe and an embeddable visitor badge.
FAQ
Frequently asked questions about the toolbox: privacy, how scores work, why results differ.
Changelog
What's new: tools added, detection upgrades and site improvements.
No tools in this category yet.
Privacy first · Local whenever possible
Generators and converters run entirely in your browser and inputs never leave your device; tools that must reach the network say exactly where data goes.
$ local-first
Address, password, QR code, JSON and other converters work offline.
$ no-signup
No accounts, no gating — open and use. Results live only on the current page.
$ open-audit
Every tool labels where it runs; online checks name their third-party sources.