Tools

Run GET, POST, PUT, PATCH, and DELETE API requests in bulk, map JSON responses into clean tables, and export results to CSV or JSON. Includes smart variable detection, response field auto-mapping, saved templates, demo mode, and optional local agent support for CORS-blocked APIs.

Code Compare & Merge Studio is a powerful, browser-based diff tool designed to help developers securely review and combine code changes. Simply paste your original and revised text, or drag and drop files directly into the editor, to instantly visualize insertions, deletions, and modifications. Navigate through changes using the interactive minimap, toggle between side-by-side or unified views, and seamlessly transfer lines using Git-style merge arrows to build your final output.

Image Studio is a powerful, standalone web application designed for professional image compression, resizing, cropping, and watermarking directly in your browser. Built with zero external dependencies, this private, local tool lets you optimize photos without ever uploading them to a server. To get started, simply drag and drop your image files into the workspace, customize your aspect ratio, scale, color grading, and watermark settings using the intuitive side panels, and instantly download your optimized, web-ready files.

Create professional, premium invoices directly in your web browser with this completely free, standalone invoice generator. Designed for freelancers, contractors, and small business owners, this secure tool lets you easily customize your business branding, calculate taxes and discounts, and manage client details without needing an account, database, or monthly subscription. To use the application, simply input your business and client information, upload a custom logo with your preferred accent color, and add your products or services to automatically calculate subtotals and balances

Private PDF Studio is a premium, browser-based PDF editor designed for complete privacy and professional document management. It allows you to securely edit, merge, annotate, and sign documents entirely on your own device without ever uploading sensitive files to a cloud server. To use the app, simply open one or more PDF files directly within your browser window. You can then use the intuitive toolbar to add text, insert custom signatures, highlight content, and place images. Once you have seamlessly reorganized, rotated, or merged your pages in the workspace, just click export to instantly download the finished, high-quality PDF back to your device.

Transform your photos, sketches, and digital artwork into clean, scalable SVG line art using our powerful Image to Coloring SVG Converter. This browser-based utility is specifically designed to help you generate high-quality coloring pages and bold vector outlines from standard PNG, JPG, or WebP files without needing complex desktop software. To get started, simply upload your image into the workspace and select a base tracing preset like standard line art, scanned sketch, or photo edge detection. You can then fine-tune your results using the interactive processing engine to adjust the black threshold, increase contrast, smooth rough corners, and eliminate background noise in real-time. Once your vector preview is perfectly crisp, you can instantly export the optimized SVG file, copy the raw vector code, or download a high-resolution PNG for your creative or educational projects.

This is a professional, browser-based application designed for creators who need high-impact YouTube thumbnails without the complexity of heavy design software. Built as a lightweight, standalone tool, it focuses on "smart templates" that automatically handle typography and layout, allowing users to go from a raw image to a finished 1280x720 (720p) export in seconds.

Generate natural-sounding voice audio using your own API keys from popular TTS providers. Choose services like OpenAI, Google Cloud TTS, Gemini, ElevenLabs, or Azure Speech, select voices, adjust speech settings, preview audio, and download the generated file directly from your browser.

Create printable quote wall art, personalized posters, home decor signs, business signage, classroom prints, and gift designs with ready-made text categories, custom styling, image backgrounds, and high-resolution export.