NIGHT CITY LAB
Minimal developer tools · No signup · Runs in your browser
Fast tools for developers
Pick a tool, get a result. No login, no ads, no trackers.
🕒 World Clock
Compare times across cities. Share a link.
🔐 Password Generator
Strong random passwords with options.
🧩 URL & Base64
Encode and decode text quickly.
🧮 SHA Hashes
Compute SHA-1 and SHA-256 locally.
🗃️ JSON Formatter
Beautify or minify JSON instantly.
🌍 IP Info
See your IP and connection details.
Copy share link
Share a link preconfigured with two cities.
From
Asia/Shanghai (CST)
UTC
America/New_York (EST/EDT)
Europe/London (GMT/BST)
Asia/Tokyo (JST)
America/Los_Angeles (PST/PDT)
Europe/Paris (CET/CEST)
Australia/Sydney (AEST/AEDT)
To
America/New_York (EST/EDT)
UTC
Asia/Shanghai (CST)
Europe/London (GMT/BST)
Asia/Tokyo (JST)
America/Los_Angeles (PST/PDT)
Europe/Paris (CET/CEST)
Australia/Sydney (AEST/AEDT)
Length:
16
A-Z
a-z
0-9
Symbols !@#$%^&*()-_=+[]{}|;:,.<>?
Generate password
Click generate
Copied automatically. Generated locally in your browser.
Input
Output
Base64 encode
Base64 decode
URL encode
URL decode
Copy result
Input text
Compute hashes
SHA-1
-
SHA-256
-
Copy SHA-256
Computed locally via Web Crypto API.
Paste JSON
Beautify
Minify
Copy result
Result
Waiting for input...
Show my IP info
Not queried yet.
Uses public APIs. May be limited by browser privacy settings.