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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.
Unbench is a B2B hiring platform designed to make tech recruitment faster, smarter, and more affordable. Instead of reaching out to multiple recruiting agencies separately, companies can post a request once and receive pre-vetted candidates from a network of trusted recruiting companies and outsourcing partners.
Our fixed-fee pricing removes the guesswork from hiring costs, helping businesses save up to 40% compared to traditional agencies while reducing time-to-hire. Whether you need full-time employees, contract specialists, or subcontracting solutions, Unbench ensures high-quality matches without long-term commitments.
With a focus on speed, transparency, and flexibility, Unbench helps growing companies and scaleups quickly access top tech talentโeliminating lengthy hiring cycles and making recruitment simple, efficient, and cost-effective.
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 โ 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 โ hashing runs through Web Crypto API with hardware acceleration, passwords use crypto.getRandomValues(), file encoding uses FileReader โ 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 โ no navigating through menus or loading tools you don't need.
Unbench's answer:
One Request, Multiple Agencies โ Instead of working with one recruiting agency at a time, Unbench connects you with 20+ vetted agencies at once, delivering pre-screened candidates faster and more efficiently.
Fixed-Fee Hiring โ Unlike traditional agencies that charge a percentage of salary, Unbench offers a clear, fixed-fee model, helping companies save up to 40% on hiring costs without hidden fees or unexpected expenses.
Full-Time & Subcontracting in One Place โ Whether you need permanent employees or short-term specialists, Unbench helps you hire for direct roles, contract positions, or subcontracting solutionsโall in one platform.
Faster Time-to-Hire โ By leveraging our network of agencies and pre-vetted talent pools, Unbench significantly reduces time-to-hire, ensuring businesses get top candidates in days, not weeks.
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 โ each with a clean, focused UI for a single task. Unlike DevToys, it works on any device with a browser โ 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 โ no data is ever sent to a server, which matters if you're working with production JWTs, API keys, or database configs.
Unbench's answer:
Unbench offers a faster, more cost-effective way to hire by connecting you with 20+ vetted recruiting agencies through a single request. Unlike traditional agencies, we provide pre-screened candidates at a fixed fee, saving you up to 40% on hiring costs with no hidden fees or long-term commitments. Whether you need full-time hires or subcontractors, Unbench delivers top talent in days, not weeks.
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.
Unbench's answer:
Our primary audience includes growing companies, scaleups, and SMEs that need to hire tech talent quickly and cost-effectively.
Hiring Managers & HR Teams looking for pre-vetted candidates without spending weeks on sourcing and negotiations.
Tech Companies & Startups scaling their teams with full-time employees, contractors, or subcontractors.
Founders & Business Leaders who need a fast, flexible hiring solution without long-term commitments or high agency fees.
Unbench is built for companies that want top talent, fastโwithout the hassle and high costs of traditional recruiting.
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 โ 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.
Unbench's answer:
Unbench was born out of a real hiring problemโcompanies needed skilled tech talent fast, but traditional hiring processes were slow, expensive, and inefficient.
Many businesses struggled to find the right recruiting agencies, negotiate fair terms, and get quality candidates without long hiring cycles. At the same time, many top-tier specialists sat on the bench in outsourcing companies, waiting for their next project.
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 โ zero external crypto libraries. FileReader API for client-side Base64 file encoding. All tools are React components with no backend โ 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
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