DevToys New Tab

DevToys New Tab: 80+ developer utilities — JSON, Base64, hash, UUID, JWT, formatters, converters, network & image tools. Offline.

🛠️ DevToys New Tab: Swiss Army Knife for Developers Turn your browser's new tab into a fast developer tools workspace. DevToys New Tab is a dev utils Chrome extension that bundles 80+ essential utilities across formatting, encoding, data conversion, network tools, security, testing, and image/color tools. Most tools run locally in your browser (offline), so you can work without relying on random online converters. 📌 Local tools + GA4 analytics Tool inputs are processed locally in your browser. The extension uses Google Analytics (GA4) for basic usage analytics (e.g., feature usage). DevToys does not sell personal data. 🔍 Middle Box Search The new tab page includes a search box that uses your browser's default search engine via the Chrome Search API. • Search requires an internet connection. • Developer tools work offline. 🚀 Quick Start Guide 1. Install the extension 2. Open a new tab OR click the extension icon for a popup view 3. Use the search box to search the web with your default search engine 4. Select a tool from the sidebar 5. Start working immediately 💡 Two Ways to Access Dev Tools • New Tab — Opens automatically for instant developer tools access • Popup — Click the extension icon for a quick dev toolbox without opening a new tab ✅ 80+ Developer Tools Included 🔧 Formatters & Validators Format and validate JSON, SQL, XML, and YAML. Tidy CSS, HTML, JavaScript, and TOML with dedicated layout and syntax helpers. 🔐 Encoders, Decoders & Escaping Encode and decode Base64 text and images, JWTs, URLs, and HTML entities. Compress and decompress with GZip, convert between hex and ASCII, and decode certificates. 🧪 Testers & Validators Test regular expressions and JSONPath queries, validate JSON against a schema, check XML documents against XSD, parse URLs and query strings, inspect user agents, validate IBANs, and check password strength. 🗂️ Converters Convert between common data formats — for example JSON to YAML, XML to JSON, or Markdown to HTML. Turn cURL commands into code, generate types from JSON, switch number bases, parse and build cron expressions, convert dates and data sizes, and calculate Unix permissions. 🔑 Generators Generate hashes and HMACs, UUIDs, QR codes, BCrypt password hashes, RSA key pairs, one-time passwords, random passwords, placeholder text, fake data sets, and Basic Auth headers. 🌐 Network Tools Calculate IPv4 subnets, expand address ranges, convert between IPv4 formats, and parse IPv6 addresses. 📝 Text Utilities Compare two texts side by side, diff and intersect lists, preview Markdown and HTML, analyze text statistics, find and replace with regex, and sort or deduplicate lines. 🖼️ Image Tools Compress, convert, resize, and crop images. Fit images to a canvas with letterbox or pillarbox padding. 🎨 Color Tools Pick and convert colors between formats, simulate color blindness, and check contrast ratios for accessibility. 📄 Document Tools Compare Word documents and extract text from PowerPoint files. 💎 Why Developers Use DevToys New Tab ➤ One place for 80+ daily dev tools: formatters, converters, validators, generators, network utils, and image tools ➤ Offline developer tools for focused workflows (tools offline; search needs internet) ➤ Clean, modern interface built for speed ➤ Local processing for tool inputs ➤ Works on Chrome and Chromium-based browsers (Edge, Brave) 🧐 FAQs ❓ Does the extension work offline? 💡 Developer tools work offline. The search box requires internet because it uses your default search engine. ❓ Does the search box change my default search engine? 💡 No. The search box uses the Chrome Search API and respects your current browser search settings. ❓ Is my data secure? 💡 Tool inputs are processed locally in your browser. The extension uses Google Analytics (GA4) for basic usage analytics. ❓ How do I access the tools? 💡 Open a new tab (loads automatically) OR click the extension icon for a popup view. 🎯 Perfect For • Frontend, backend, and DevOps engineers • API developers formatting JSON/XML and converting data • Security-focused developers (JWT, BCrypt, RSA, OTP, certificates) • Network engineers working with IPv4/IPv6 utilities • Designers and frontend engineers using image tools, color picker, and accessibility checks • Anyone who needs fast conversions, validation, and text transformations Install DevToys New Tab and open your new tab to a full developer workspace: pick tools from the sidebar to shape data and markup, move between file formats, test and validate inputs, generate secrets and identifiers, use network address helpers, adjust images, and review colors for accessibility — with your work handled in the browser.