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Tech Toolkit

J
John Bowdre
A collection of references and web-based utilities that I find myself using over and over.
40 Followers

Programming/Scripting

It is the punctuation, the strange dollar signs, brackets and parentheses that bewilder anyone learning PowerShell. Add to that the aliases and you can bewilder everyone. The punctuation is essential,…

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

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

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

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Useful for when you need to test processing arbitrary JSON

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Utility for converting cURL commands to code

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This page contains a list of commonly used kubectl commands and flags. Kubectl autocomplete BASH source <(kubectl completion bash) # setup autocomplete in bash into the current shell, bash-completion …

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Networking

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

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

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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.

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Search Engine for the Internet of Things

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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.

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Graphics

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

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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.

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

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

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Utility to optimize SVG vector graphics files

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

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Find where images appear online

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

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

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Site Parsers

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

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

[Attempts to bypass paywalls on news sites]

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Miscellaneous

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

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

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

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

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

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Check End of Life, Support Schedule, and release timelines for Alpine Linux, Amazon Linux, Android OS, Angular, Ansible, Apache HTTP Server, Blender, Bootstrap, CentOS, CFEngine, Citrix Virtual Apps …

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

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

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

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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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Test your adblocking capabilities here!

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