Tech Toolkit

Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java. Features a regex quiz & library.

Variables · Functions · Interpolation · Brace expansions · Loops · Conditional execution · Command substitution · One-page guide to Bash scripting

ShellCheck is an open source static analysis tool that automatically finds bugs in your shell scripts.

match command-line arguments to their help text

Useful for when you need to test processing arbitrary JSON

Utility for converting cURL commands to code

Sourcegraph is a web-based code search and navigation tool for dev teams. Search, navigate, and review code. Find answers.

Get my IP Address

Glanceable subnet reference so you don't have to do math.

DNS and Network troubleshooting and diagnostic tools integrated into one sweet interface.

Master Nmap quickly with this cheat sheet of common and not so common options. A handy reference for experts and those getting started with Nmap.

Search Engine for the Internet of Things

Use this Certificate Decoder to decode your certificates in PEM format. This certificate viewer tool will decode certificates so you can easily see their contents.

Find DNS records for a domain name with this online tool. Nslookup.io queries multiple DNS servers and displays their cached responses.

Find dns records in order to identify the Internet footprint of an organization. Recon that enables deeper security assessments and discovery of the attack surface.

Squoosh is the ultimate image optimizer that allows you to compress and compare images with different codecs in your browser.

Remove image backgrounds automatically in 5 seconds with just one click. Don't spend hours manually picking pixels. Upload your photo now & see the magic.

Convert color or monochrome bitmap images (PNG, JPG, JPEG, WEBP, AVIF, GIF,…) to color or monochrome vector images (SVG).

The ultimate favicon generator. Design your icons platform per platform and make them look great everywhere. Including in Google results pages.

Utility to optimize SVG vector graphics files

Web-based screen recording tool that outputs directly to GIF format

Find where images appear online

Handy for examining a photo to determine if it's been digitally altered

Convert securely video, audio, image, e-book, office & archive files. Bulk convert large files up to 1 GB. Free and easy to use converter.

Generate flow charts in ASCII

Get just the ingredients and instructions for any recipe page. No life story, popups, or other clutter.

Show me a 10ft paywall, I’ll show you a 12ft ladder.

[Attempts to bypass paywalls on news sites]

A comprehensive listing of free PaaS/SaaS options developers can use for their side projects.

Easy epoch/Unix timestamp converter for computer programmers. Includes epoch explanation and conversion syntax in various programming languages.

Automatically generate docker-compose.yaml from a docker run command.

The Cyber Swiss Army Knife - a web app for encryption, encoding, compression and data analysis

NGINXConfig - The easiest way to configure a performant, secure, and stable nginx server.

urlex.org is a URL Expander that unshortens any URL to a long URL masked by any URL-Shortener.

With scrt.link you can securely share sensitive information online: End-to-end encryption combined with a one time self-destructive link.

Useful as a web-based SSH client for accessing remote systems without installing software locally

Download full APK and OBB data directly from Google Play Store API. Best APK Downloader Extension for Google Chrome with than 100K+ users

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