Featured tool
● LocalPassword Generator
Create cryptographically strong passwords inside your browser. Choose the length and character sets; nothing is transmitted.
V7!private-example#9Q20 characters— Private by designUseful tools.
Useful tools.
Nothing extra.
Fast browser and command-line utilities for developers, system administrators, and anyone who values clear results and sensible privacy.
✓ No account✓ No uploads✓ Local when possible
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Focused tools that solve one job well—without sign-ups or clutter.
PWSecurityCDNetwork
#Developer
TSDeveloper
Password Generator
Create strong passwords locally with precise length and character controls.
2FSecurityTOTP Generator
Generate time-based 2FA codes from a Base32 secret without sending it anywhere.
IPNetworkWhat Is My IP?
Inspect your public address, request headers, and script-friendly endpoints.
MDDocumentMarkdown Editor
Write and preview Markdown, then download the source or export a clean PDF.
CIDR Calculator
Calculate subnet ranges, usable hosts, masks, and broadcast addresses.
Hash Generator
Calculate SHA-256 and SHA-512 hashes locally for text and files.
Timestamp Converter
Convert Unix timestamps into readable local and UTC dates instantly.
Security modelYour data is not
Your data is not
our business.
Wherever technically possible, work happens inside your browser. Sensitive values are not uploaded, stored, or added to an account.
Read our security approach →Local processing
Password, authentication, and document utilities run on your device.
Clear network boundaries
Every tool states whether it contacts the server and why.
No dark patterns
No forced registration, misleading buttons, or hidden subscriptions.
Practical guides
Understand what the tool is doing
Command line · 6 min
How to check your public IP with curl
Reliable plain-text and JSON patterns for scripts.
Read guide →Security · 8 minWhat is a TOTP secret?
How Base32 secrets, time windows, and codes work.
Read guide →Passwords · 7 minPassword or passphrase?
Choose using length, entropy, and practical usability.
Read guide →