Smart Tools. Absolute Privacy.

Why Choose AIAZHTools?

Free Online PDF Tools — Split, Merge & Process Documents in Your Browser

Our PDF tool collection lets you split large PDFs into individual pages, merge multiple documents into a single file, compress oversized PDFs without quality loss, and add password protection — all without uploading a single file to a server. Whether you need to extract specific pages, rearrange page order, add watermarks or page numbers, or convert between PDF and image formats, every operation runs locally using pdf-lib and your browser's native capabilities. There are no file size limits, no queue waiting, and no privacy concerns because your documents never leave your device. These serverless PDF tools work for contracts, academic papers, ebooks, invoices, and any document workflow where speed and confidentiality matter.

Browser-Based Image Editor — Resize, Convert & Enhance Photos Privately

Our image tools cover the full spectrum of photo editing and conversion needs entirely inside your browser. Convert between JPG, PNG, and WebP formats, resize images for web or print, crop with aspect ratio presets, and remove backgrounds with one click. Advanced tools include adjustable brightness, contrast, saturation, blur, and grayscale filters, plus rounded corners, watermarks, and logo overlays. The metadata viewer reads EXIF data including camera model, GPS coordinates, and shutter settings, while the metadata remover strips all private information before sharing. For designers, the color picker extracts exact HEX, RGB, and HSL values from any pixel, and the dominant color extractor builds a palette from any photo. Every image tool uses the HTML5 Canvas API for client-side processing, meaning your photos — including sensitive or copyrighted material — are never transmitted over the network.

Developer Utilities — JSON, Regex, Hash & Code Tools for Programmers

From JSON formatting and validation to regular expression testing, our developer tools handle everyday programming tasks without sending data to a backend. Format and minify JSON responses from APIs, test regex patterns against sample input with live match highlighting, generate cryptographically secure passwords and UUID v4 identifiers using the Web Crypto API, and compute SHA-256, SHA-384, and SHA-512 hashes for file integrity verification. The case converter handles camelCase, snake_case, kebab-case, PascalCase, and more. Encode and decode Base64 and URL-encoded strings, compare text differences line by line, generate lorem ipsum placeholder content, and convert between units, color formats (HEX, RGB, HSL, HSV), and Unix timestamps. QR code generation supports custom colors and error correction levels, while the QR scanner works from both image upload and live camera — all without a single network request carrying your data.

SEO Tools — Meta Tags, Sitemaps, Schema & Open Graph for Better Rankings

Our SEO toolkit helps website owners and marketers optimize for search engines without exposing their site structure or content to third-party servers. The meta tag generator creates complete title tags, meta descriptions, Open Graph protocol tags, Twitter Card markup, and canonical URLs ready to paste into any HTML head section. The sitemap generator builds XML sitemaps with priority, change frequency, and lastmod values for every URL on your site. The schema markup generator produces JSON-LD structured data for Article, Product, FAQ, and LocalBusiness content types. The Open Graph checker parses any page's HTML head and renders a live social media preview card showing exactly how your page will appear on Facebook, LinkedIn, Twitter, and other platforms. The robots.txt generator lets you define allow and disallow rules for search engine crawlers, and the canonical URL checker validates that your preferred URL is correctly specified.

AI Prompt Engineering Tools — Craft Better Prompts for ChatGPT, Claude & Gemini

Our AI prompt tools help you design effective prompts for large language models like ChatGPT, Claude, and Gemini. The AI prompt maker builds structured prompts with system instructions, context, and output formatting. The image prompt crafter generates detailed Midjourney, DALL-E, and Stable Diffusion prompts with subject, style, lighting, and composition parameters. The character crafter creates consistent character profiles for storytelling and AI image generation, while the environment crafter designs coherent locations and worlds across multiple images. The business system prompt builder generates expert system design prompts for specialized domains including point-of-sale systems, hospital management, and human resource management — turning your business requirements into production-ready AI assistant prompts.

How Serverless Browser Tools Protect Your Privacy

Every tool on AIAZHTools runs entirely in your browser using client-side JavaScript, the HTML5 Canvas API, and WebAssembly libraries like pdf-lib. When you upload a file — whether it is a PDF, image, or text document — the data is read into your browser's memory and processed locally. No data is sent to any server, logged, stored, or accessible by third parties. This serverless architecture means there are no file size limits beyond what your browser can handle, no queue waiting times, and no subscription fees. It also means the tools continue working even when you lose internet connectivity, making them reliable for use on flights, remote locations, or any environment where privacy and offline capability are essential.