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Security toolbox

Useful tools for security checks, network calculations, and working with data.

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Local

Hash Inspector

Identify possible hash formats using length, character sets, and encoding markers.

Hash formats
Local

File Checksum

Generate SHA-256, SHA-384, or SHA-512 digests and compare a file with an expected checksum.

File integrity
Local

IPv4 Subnet Calculator

Calculate network addresses, host ranges, and masks from CIDR or dotted-decimal input.

Network planning
Local

Base64 & URL Encoder

Encode and decode UTF-8 text with Base64, Base64url, or URL percent encoding.

Text encoding
Local

JSON Formatter

Validate, format, and minify JSON from API responses and configuration files.

Structured data
Local

JWT Inspector

Decode token headers and claims, including expiry times. Signatures are not verified.

Token inspection
Local

Timestamp Converter

Convert Unix seconds, milliseconds, and ISO dates into UTC and your local time.

Time conversion
Local

Unicode Lookalikes

Compare similar-looking characters and inspect the Unicode code points in a string.

Character inspection
External links

DorkSec

Launch domain searches, DNS and certificate lookups, archive searches, and other research resources.

Domain research
Telegram API

Telegram Bot Checker

Check your own bot token with Telegram and inspect the bot identity returned by getMe.

API diagnostics

Local tools keep input on your device. DorkSec opens external sites. The bot checker contacts Telegram.