🪛 Doctor Whois

A collection of handy network, security, developer, and text tools.

🌐 Network

🌐

My IP

Detect your public IP address

🔍

WHOIS

Domain & IP registration info

📍

GeoIP

IP geolocation lookup

📋

HTTP Headers

Inspect response headers

🔒

SSL Cert

Check TLS certificate details

🕸️

Subnet Calc

CIDR subnet calculator

🖧

MAC Lookup

OUI vendor identification

📡

Is It Down?

Check if a site is reachable

🏷️

Open Graph

Scrape meta & OG tags

✉️

DKIM

Validate email DKIM signatures

📧

SPF Lookup

Parse SPF record & DNS lookups

📶

Ping

TCP ping with RTT statistics

🛤️

Traceroute

Trace network path to a host

🔎

DNS Lookup

Records, authority chain & operators

🌍

Website Report

Performance, security & reputation

🔐 Security

#️⃣

Hash Gen

MD5, SHA1, SHA256, SHA512

🔑

UUID Gen

Generate UUID v4

🔐

Bcrypt

Hash & verify passwords

🛡️

Password

Generate strong passwords

🔢

Base64

Encode & decode Base64

💻 Developer

{ }

JSON

Format & validate JSON

🔗

URL Encode

Encode/decode URLs

⏰

Cron

Explain cron expressions

🕐

Timestamp

Epoch ↔ date converter

🍃

Mongo ID

ObjectID → timestamp

📝 Text

📝

Word Counter

Stats, read time, keywords

Case Converter

camelCase, snake_case, etc.

Text Diff

Compare two texts

📄

Lorem Ipsum

Generate placeholder text

⬇️

Markdown

Live markdown preview

🌐 My IP Address

Detect your public IP address as seen by the server.

🔍 WHOIS Lookup

Domain or IP Address

📍 GeoIP Lookup

IP Address

📋 HTTP Headers

URL

🔒 SSL Certificate

Hostname

Port

Force STARTTLS (auto for ports 25 / 587)

🕸️ Subnet Calculator

CIDR Notation

🖧 MAC Address Lookup

MAC Address

📡 Is It Down?

URL to Check

🏷️ Open Graph & Meta Tags

URL

✉️ DKIM Validation

Email Source (paste entire raw email)

📧 SPF Lookup

Domain

📶 Ping

Host

Count

Port

🛤️ Traceroute

Host

Max Hops

🔎 DNS Lookup

Name

Type

🌍 Website Report

Full health & performance report: HTTP status, DNS time, TTFB, page weight, SSL/TLS, WHOIS, security headers, blacklist status, and third-party resource audit.

URL

#️⃣ Hash Generator

Input Text

🔑 UUID Generator

Number of UUIDs (1–100)

🔐 Bcrypt

Generate Hash

Password

Cost factor (4–31, default 10)

Verify Password

Password

Bcrypt Hash

🛡️ Password Generator

Length

Uppercase (A-Z) Numbers (0-9) Symbols (!@#…) Passphrase mode

🔢 Base64 Encode / Decode

Input

{ } JSON Formatter

JSON Input

🔗 URL Encoder / Decoder

Input

⏰ Cron Expression Explainer

Cron Expression (minute hour day month weekday)

🕐 Unix Timestamp Converter

Epoch → Date

Epoch (seconds)

Date → Epoch

Date / Time

🍃 MongoDB ObjectID → Timestamp

MongoDB ObjectID (24-character hex)

📝 Word Counter

Text

Aa Case Converter

Input Text

± Text Diff

Original Text (A)

Modified Text (B)

📄 Lorem Ipsum Generator

Generate

Type

⬇️ Markdown Preview

Markdown Input

Preview

Preview will appear here…