// CATALOG

Developer Tools Directory

Fast, zero-telemetry utilities engineered to run directly in your browser. Solve technical problems with privacy and speed.

domain-web

WHOIS Lookup

Perform real-time domain registration queries using ICANN RDAP protocol with registrar details, status codes, and name servers.

100% Client-SideOpen Tool →

domain-web

DNS Lookup

Inspect live DNS records directly from Cloudflare and Google DoH servers with TTL values and raw response data.

100% Client-SideOpen Tool →

domain-web

HTTP Header Analyzer

Inspect HTTP response headers with detailed explanations for Cache-Control, ETag, Server, and CORS headers.

100% Client-SideOpen Tool →

domain-web

Security Headers Checker

Evaluate your website security posture against modern OWASP best practices with actionable remediation advice.

100% Client-SideOpen Tool →

domain-web

Website Technology Detector

Discover the underlying technology stack behind any website using fingerprint signatures and header analysis.

100% Client-SideOpen Tool →

domain-web

Robots.txt Analyzer & Tester

Test whether specific search engine bots are allowed or disallowed from crawling specific URL paths.

100% Client-SideOpen Tool →

privacy

Image Metadata / EXIF Viewer

Extract EXIF camera tags, exposure settings, ISO, and GPS location client-side without uploading files.

100% Client-SideOpen Tool →

privacy

EXIF Metadata Cleaner

Sanitize photos by removing hidden metadata and location tags before sharing online, processed 100% in your browser.

100% Client-SideOpen Tool →

privacy

IP Address Checker

Instant client-side IP lookup revealing your public IPv4/IPv6, routing prefix, hostname, and general location.

100% Client-SideOpen Tool →

privacy

Password Strength Checker

Client-side password security estimator analyzing character set entropy, pattern weaknesses, and crack time.

100% Client-SideOpen Tool →

encoding

Base64 Encoder / Decoder

Convert text, UTF-8 strings, and binary data into standard or URL-safe Base64 format with live swap and copy.

100% Client-SideOpen Tool →

encoding

URL Encoder / Decoder

Convert unsafe URI characters into percent-encoded ASCII bytes supporting encodeURI and encodeURIComponent modes.

100% Client-SideOpen Tool →

encoding

Cryptographic Hash Generator

Compute cryptographic hashes and message digests using the Web Crypto API with instant hex and base64 output.

100% Client-SideOpen Tool →

encoding

Hash Identifier

Analyze unknown hash strings to determine likely algorithms (MD5, SHA-1, SHA-256, bcrypt, NTLM, Argon2, etc.).

100% Client-SideOpen Tool →

encoding

JWT Decoder

Inspect JSON Web Tokens client-side with expiration time checking, claim breakdowns, and algorithm analysis.

100% Client-SideOpen Tool →

encoding

UUID / GUID Generator

Fast, secure UUID generator utilizing window.crypto with bulk batch mode and uppercase/lowercase formatting.

100% Client-SideOpen Tool →

encoding

Hex ↔ Text Converter

Bidirectional converter supporting UTF-8 multi-byte characters, custom byte delimiters (space, comma, 0x), and ASCII decoding.

100% Client-SideOpen Tool →

encoding

Binary ↔ Text Converter

Translate plain text into 8-bit binary byte strings with configurable spacing and bit grouping.

100% Client-SideOpen Tool →

osint

Domain Intelligence

Consolidated domain analysis combining WHOIS, IP resolution, nameserver telemetry, and mail server health.

100% Client-SideOpen Tool →

osint

IP Intelligence & Geolocation

Investigate IP addresses to discover autonomous system organization, CIDR blocks, country, and risk flags.

100% Client-SideOpen Tool →

developer-security

JWT Security Inspector

Security-focused JWT analyzer testing for unsigned token bypass, algorithm confusion, key length, and token replay.

100% Client-SideOpen Tool →

developer-security

Regex Security & ReDoS Tester

Analyze regular expressions for exponential complexity, nested quantifiers, and denial-of-service vulnerabilities.

100% Client-SideOpen Tool →

developer-security

CORS Checker & Builder

Analyze CORS configuration issues (wildcard with credentials, insecure origins) and generate correct backend headers.

100% Client-SideOpen Tool →

developer-security

CSP (Content Security Policy) Generator

Interactive CSP builder generating secure directives for scripts, styles, frames, images, and connect endpoints.

100% Client-SideOpen Tool →

developer-security

SRI (Subresource Integrity) Hash Generator

Calculate cryptographic SRI hashes and ready-to-use HTML script/link tags to protect against CDN tampering.

100% Client-SideOpen Tool →

developer-security

Security.txt Generator (RFC 9116)

Create compliant security.txt files with Contact, Expires, Encryption, Canonical, and Policy directives.

100% Client-SideOpen Tool →