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DevToolKit is a collection of 19 free online developer tools that run entirely in the browser. No backend, no signup, no data ever leaves your machine. Built with Next.js 14 and Tailwind CSS. Tools include: JSON Formatter & Validator, JSON Tree Viewer with node path copying, YAML-JSON Converter, SQL Formatter, Base64 Encoder/Decoder (text + file drag & drop), URL Encoder, JWT Decoder, Hash Generator (SHA-1/256/384/512 via Web Crypto API), Password Generator, Cron Expression Parser with next run time calculation, PostgreSQL Config Generator (free PGTune alternative), UUID v4 Generator, QR Code Generator (PNG + SVG), Lorem Ipsum Generator, Regex Tester, Text Diff Checker, Unix Timestamp Converter, Color Converter (HEX/RGB/HSL), and HTTP Status Codes Reference. Every tool processes data locally using native browser APIs. No server-side processing, no cookies, no analytics tracking of input data.
Experience smooth WordPress Dropbox Integration between Cloud and WordPress with the most user-friendly plugin from the WordPress Dashboard. Easily manage your media Library, optimize your workflow, and save hosting space without coding hassles. Perfect for anyone looking to streamline their WooCommerce, Tour Assets Management experience.
DevToolKit.site
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DevToolKit.site's answer
Three things set DevToolKit apart. First, it includes tools you won't find in other online toolkits — a PostgreSQL Config Generator that replaces PGTune with hardware-aware tuning calculations, a Cron Expression Parser that doesn't just describe the schedule but calculates the next 10 actual execution timestamps, and a JSON Tree Viewer where you click any node to copy its full JavaScript path like data.users[0].email. Second, every tool uses native browser APIs instead of external libraries — hashing runs through Web Crypto API with hardware acceleration, passwords use crypto.getRandomValues(), file encoding uses FileReader — meaning zero dependencies and zero data transmission. Third, each of the 19 tools lives on its own URL with dedicated SEO metadata, so you can bookmark devtoolkit.site/jwt-decoder/ and go straight to it — no navigating through menus or loading tools you don't need.
Codeconfig.dev's answer:
Unlike other Dropbox plugins, File Manager for Dropbox gives you full control over your cloud storage without ever leaving WordPress. Whether you're a blogger, an eCommerce store owner, or managing an LMS, our plugin makes it easy to sync files automatically, integrate with the WordPress Media Library and more.
DevToolKit.site's answer
DevToolKit runs 100% in the browser with zero signup. Unlike CyberChef, which has a steep learning curve with its recipe-based interface, DevToolKit gives you 19 standalone tools — each with a clean, focused UI for a single task. Unlike DevToys, it works on any device with a browser — no desktop app installation needed. And unlike SmallDevTools or similar online toolkits, DevToolKit includes unique tools like a PostgreSQL Config Generator (a free PGTune alternative), a Cron Expression Parser that calculates next 10 actual run times, and a JSON Tree Viewer with click-to-copy node paths. Every tool uses native browser APIs like Web Crypto for hashing — no data is ever sent to a server, which matters if you're working with production JWTs, API keys, or database configs.
Codeconfig.dev's answer:
We focus on making Dropbox integration ridiculously easy. A lot of similar plugins either lack flexibility, charge extra for basic features, or make setup complicated. Our plugin stands out because:
Super user-friendly: No coding required—just connect your Dropbox, and you’re good to go. Auto-sync in real time: New files update every 1-3 minutes automatically. Deep WordPress integration: Works with Elementor, Gutenberg, WooCommerce, and major LMS plugins. Powerful file management: Upload, download, embed, and share files directly from WordPress. Shortcode Builder: You can add file browsers, galleries, sliders, and media players anywhere on your site. Great for teams: User-specific folders keep files organized for different team members or customers.
DevToolKit.site's answer
Backend and full-stack developers who deal with JSON, JWTs, SQL, cron jobs, and PostgreSQL configuration on a daily basis. DevOps engineers who need quick encoding, hashing, or regex testing without installing CLI tools. Developers who care about data privacy and don't want to paste production tokens or API responses into random websites that may log input data.
Codeconfig.dev's answer:
Our users are anyone who wants a hassle-free way to manage Dropbox files inside WordPress. This includes:
Website owners & bloggers – Easily add Dropbox media files to posts and pages. WooCommerce store owners – Manage digital downloads directly from Dropbox. Course creators (LMS users) – Store and share course materials with students. Photographers & creatives – Showcase images with Dropbox-powered galleries. Teams & agencies – Collaborate on projects with user-specific folders.
DevToolKit.site's answer
I'm a backend developer with 10+ years of experience in Python and Go, working on distributed systems and microservices. Every day I was jumping between 5-6 different sites to format JSON, decode a JWT, test a regex, or convert a timestamp — each one bloated with ads, cookie banners, and signup walls. One evening I decided to build all the tools I actually use into a single place where everything runs client-side. The first version had 15 tools and took a weekend to build with Next.js and Tailwind CSS. After getting feedback, I added a PostgreSQL Config Generator (because PGTune hasn't been updated in years), a JSON Tree Viewer, and an HTTP Status Code Reference. It's now at 19 tools and growing based on what developers ask for.
DevToolKit.site's answer
Next.js 14 with App Router for server-side rendering and per-page SEO metadata. Tailwind CSS for styling with a custom dark theme. Web Crypto API (crypto.subtle) for SHA-1/256/384/512 hashing and cryptographically secure password generation — zero external crypto libraries. FileReader API for client-side Base64 file encoding. All tools are React components with no backend — the entire app is static and deployed on Vercel. Each tool is a separate route with its own metadata, canonical URL, and sitemap entry for independent Google indexing.
DevToolKit.site's answer
DevToolKit is a free tool with no accounts, so we don't track individual users. It's used by individual developers and small teams who need quick, private access to common dev utilities without enterprise overhead. The tool is designed for anyone who works with APIs, databases, or web development and wants a fast, ad-free, privacy-respecting alternative to existing online tools.
DuskTools.app - 150+ free browser-based developer tools - no sign-up, no tracking, no backend. JSON formatter, Base64 encoder, regex tester, JWT decoder, UUID generator, HTTP status lookup, MIME types, port reference, cron builder & more. Everything runs locally in
DevToys - A collection of converters, formaters, encoders, generators and other tools for your Windows desktop.
CodeUtil.dev - Fast, private developer tools in your browser. JSON formatter, Regex tester, Cron generator, and 17 more.
SmallDevTools - Handy developer tools with a delightful interface
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