Free Developer Tools
Powerful utilities to speed up your workflow. No sign-up required. Convert files, optimise images, assess performance, and more.
5 · 34 reviews
PNG/JPG to WebP Converter
Batch convert your images to next-gen WebP format for faster page loads and better quality. Download individually or as a zip.
Try it freeImage Resizer
Resize images by pixels or percent. Set width, height, format (JPG, PNG, WebP), quality and background. Download in one click.
Try it freeWord to HTML
Convert Microsoft Word documents into clean HTML in seconds. Perfect for migrating content to any web platform.
Try it freeJSON to HTML Converter
Transform structured JSON data into readable, styled HTML tables and views. Great for API debugging and documentation.
Try it freeInvoice Generator
Create professional invoices in seconds. Add your details, line items, and tax, then download as PDF. Completely free.
Try it freeFavicon Generator
Upload any image and generate favicons in every size — ICO, PNG, Apple Touch Icon, Android, and PWA. Download individually or as a ZIP.
Try it freeQR Code Generator
Create QR codes for URLs, text, or contact info. Choose size and colours, then download as PNG. No sign-up required.
Try it freeEmail Signature Generator
Build a professional HTML email signature with your name, title, contact details and optional logo. Copy into Gmail, Outlook, or Apple Mail.
Try it freePrivacy Policy Generator
Generate a custom privacy policy for your website or app. Select what data you collect and get ready-to-use policy text. Not legal advice.
Try it freeColor Palette Generator
Create colour palettes from a base colour or at random. Copy hex codes for CSS, design tools, or brand guidelines.
Try it freeMeta Tag / SEO Tag Generator
Generate meta tags, Open Graph and Twitter Card tags for any page. Paste the HTML into your <head> for better SEO and social sharing.
Try it freeBusiness ROI Calculator
Calculate return on investment for projects, marketing, or tools. Enter investment and return to get ROI % and net gain.
Try it freeProfit Margin Calculator
Calculate gross margin, net margin, markup and profit instantly. Three modes: margin, markup, and reverse. Essential for e-commerce and retail.
Try it freeUTM Link Builder
Build campaign tracking URLs for Google Analytics. Add source, medium, campaign parameters with preset suggestions. History saved locally.
Try it freeBusiness Name Generator
Get creative, brandable business name ideas for any industry. Choose your style, save favourites and copy with one click. Great for startups.
Try it freeMeeting Cost Calculator
Find out how much your meetings really cost. Enter attendees, salaries and duration to see per-meeting, weekly and annual costs. Eye-opening results.
Try it freeSalary & Hourly Rate Calculator
Convert between annual salary and hourly rate. Plus calculate your ideal freelance day rate with tax and business expenses factored in.
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