Developer Tools

A collection of free utilities for developers. All tools run entirely in your browser — your data never leaves your device.

Developer

JSON Formatter

Format and validate JSON data

UUID Generator

Create unique identifiers and tokens

Timestamp Converter

Convert between date formats

Fantasy Lorem

Generate themed placeholder text

Networking

DNS Lookup

Query DNS records and WHOIS data

DNS Propagation

Check DNS propagation across global servers

Ping Tester

Test HTTP latency and availability

HTTP Inspector

Inspect HTTP headers and responses

HTTP Status

Test HTTP status codes and headers

Redirect Analyzer

Follow and inspect redirect chains

Subnet Calculator

Calculate network subnets and ranges

Security

Token Scanner

Detect leaked secrets and high-entropy tokens

Password Generator

Generate secure passwords and passphrases

Password Strength

Analyze password entropy and crack time

JWT Decoder

Decode and inspect JSON Web Tokens

SSL Inspector

Check SSL certificate details

IP Reputation

Check IP address reputation and flags

More Tools Coming Soon

Base64 encoder, hash generator, regex tester, and more.

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