The latest articles on DEV Community by Saif Ali (@saif_ali_2c62caf75ac74565). https://dev.to/saif_ali_2c62caf75ac74565 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3830123%2F1fb0e3cd-980f-4725-a2c6-dacc7ed2921e.jpg https://dev.to/saif_ali_2c62caf75ac74565 en Saif Ali Tue, 17 Mar 2026 22:33:15 +0000 https://dev.to/saif_ali_2c62caf75ac74565/built-140-free-browser-tools-in-nextjs-full-list-inside-mpf https://dev.to/saif_ali_2c62caf75ac74565/built-140-free-browser-tools-in-nextjs-full-list-inside-mpf <p>Hey dev community 👋</p> <p>I've been building a collection of free online tools for <br> developers and businesses over the past few months. <br> Everything runs 100% in the browser — no server uploads, <br> no signup, no tracking.</p> <p>Here's what's live right now:</p> <p>🖼️ Image Tools</p> <ul> <li>Image Compressor (reduces PNG/JPG up to 80%)</li> <li>Image Resizer (exact px or percentage) </li> <li>Background Remover (AI-powered)</li> <li>Image Format Converter (JPG ↔ PNG ↔ WebP ↔ AVIF)</li> </ul> <p>📄 PDF Tools</p> <ul> <li>Merge PDF, Split PDF, Compress PDF</li> <li>PDF to JPG, Word to PDF</li> </ul> <p>💻 Developer Tools</p> <ul> <li>JSON Formatter &amp; Validator</li> <li>CSS Minifier, JS Minifier, HTML Formatter</li> <li>Regex Tester, Color Picker, URL Encoder</li> <li>UUID Generator, JWT Decoder, Unix Timestamp Converter</li> </ul> <p>🔐 Security Tools</p> <ul> <li>Password Generator (client-side only)</li> <li>Hash Generator (MD5, SHA-256, SHA-512)</li> <li>Base64 Encoder/Decoder</li> </ul> <p>🧮 Calculators</p> <ul> <li>Age Calculator, BMI, Currency Converter (live rates)</li> <li>Loan EMI Calculator, Mortgage Calculator</li> <li>Percentage, Tip, Unit Converter</li> </ul> <p>🤖 AI Tools</p> <ul> <li>Grammar Checker, Text Summarizer</li> <li>AI Blog Writer, Ad Copy Generator</li> </ul> <p>📱 Video Downloaders</p> <ul> <li>TikTok, YouTube, Instagram, Facebook downloaders</li> </ul> <p>💰 Finance Tools</p> <ul> <li>Invoice Generator, VAT Calculator, Discount Calculator</li> </ul> <p>And 80+ more...</p> <p>Tech stack: Next.js 14, TypeScript, Tailwind CSS, Vercel</p> <p>All tools: <a href="https://www.codexstudio2026.com/tools" rel="noopener noreferrer">https://www.codexstudio2026.com/tools</a></p> <p>Happy to answer questions about any of the implementations!</p> i