Free All-in-One Developer Tools
A comprehensive collection of secure, client-side utilities. Format code, convert files, and edit images directly in your browser.
Hot Tools
Web Development Tools
Color Picker
Free Advanced Color Picker & Palette Generator. Instantly get Hex, RGB, HSL, and CMYK values. Upload images to extract dominant colors and create beautiful color palettes for your web designs.
Gradient Generator
Visual CSS Gradient Generator. Create stunning linear and radial gradients with ease. Copy cross-browser compatible CSS code instantly to enhance your website backgrounds.
CSS Box Shadow Generator
Advanced CSS Box Shadow Generator. Design soft, realistic, and layered shadows for modern user interfaces. Preview changes in real-time and copy the CSS code.
CSS Border Radius Generator
Advanced CSS Border Radius Generator. Create rounded corners, circles, and organic 'blob' shapes with full 8-point control. Visual preview with one-click CSS copy.
CSS Clip-path Maker
Advanced CSS Clip-path Maker. Visually create custom shapes using the CSS clip-path property. Drag points on a canvas to generate complex polygon shapes.
SVG Blob & Wave Generator
Free SVG Blob and Wave Generator. Create organic, unique shapes and section dividers for your websites. Customizable colors, complexity, and gradients. Export as pure SVG.
Responsive Image Generator
Free Responsive Image Generator. Automatically create 'srcset' lines for multiple screen sizes. Improve your SEO, page load speeds, and Core Web Vitals scores.
Flexbox Playground
Interactive Flexbox Playground. Visually build and test CSS Flexbox layouts. Generate code instantly.
Favicon Generator
Professional Favicon Studio. Design your own favicon with custom colors, emojis, and shapes. Visualize on Google, Browser Tabs, and iOS. Instant ZIP download.
Misc Tools
QR Code Generator & Designer
Professional-grade QR Code Generator. Create static, non-expiring QR codes for URLs, vCards (Contacts), Wi-Fi, and Text. 100% private, client-side processing with custom logo support.
Barcode Generator
Online Barcode Generator. Instantly create EAN-13, UPC, Code-128, and Code 39 barcodes. Perfect for product labeling, inventory tracking, and retail management systems.
Age Calculator
Free Accurate Age Calculator. Calculate your exact age in years, months, weeks, days, hours, and minutes. Discover your Planetary Age, next birthday countdown, and interesting life milestones.
Text / Code Formatting
JSON Formatter & Validator
Professional JSON Formatter. Beautify ugly JSON code, validate syntax, and minify for production. Privacy-focused, client-side tool with tree view and error highlighting.
JSON to Go Struct Converter
Free JSON to Go Struct Converter. Instantly generate Go struct definitions from JSON with struct tags, nested objects, and smart type detection. Perfect for API integration. Save hours writing boilerplate code. 100% client-side, secure & private.
XML Formatter
Professional XML Formatter & Validator. Beautify dirty XML, validate syntax, and minify content for SEO and speed. 100% Client-side privacy.
YAML Formatter & Validator
Professional YAML Formatter. Validate syntax, fix indentation errors, and convert YAML to JSON. Privacy-focused tool for Kubernetes and Docker configs.
HTML Formatter & Beautifier
Professional HTML Formatter. Indent dirty HTML, minify for production speed, and format inline CSS/JS. Privacy-focused client-side tool.
CSS Beautifier & Formatter
Professional CSS Beautifier. Format messy stylesheets, fix indentation, and minify code for speed. Supports standard CSS and SCSS syntax.
JavaScript Beautifier
Professional JavaScript Beautifier. Format messy JS/JSON code, deobfuscate minified scripts, and validate syntax. Privacy-focused client-side tool.
Markdown Formatter & Beautifier
Professional Markdown Formatter. Instantly align tables, standardize list markers, and clean up GFM syntax. Privacy-focused client-side tool.
SQL Formatter & Beautifier
Professional SQL Formatter. Beautify complex queries for MySQL, PostgreSQL, and SQL Server. Uppercase keywords, fix indentation, and debug syntax online.
Regex Tester & Debugger
Professional Regular Expression Tester. Validate patterns, highlight matches in real-time, and debug complex Regex logic online. JavaScript flavor supported.
Encoders / Decoders
Base64 Converter
Secure Online Base64 Converter. Encode and decode text or files instantly. 100% client-side processing ensures your data remains private and never hits a server.
URL Encoder/Decoder
Free URL Encoder and Decoder. Encode special characters (Percent-encoding) for safe transmission or decode complex URLs into readable text instantly.
HTML Entity Encoder
HTML Entity Encoder & Decoder. Convert special characters to HTML entities and back. Protect your site against XSS attacks and ensure safe code rendering.
Hash Generator
Secure Online Hash Generator. Generate MD5, SHA-1, SHA-256, and SHA-512 hashes. Verify file integrity and secure your passwords with client-side hashing.
JWT Decoder
Debug and Decode JSON Web Tokens (JWT). Inspect headers and payload claims locally. View token structure without signature verification for quick debugging.
Converter Tools
JSON to CSV Converter
Convert JSON to CSV and CSV to JSON Instantly. Visualize data in a table format and export for Excel analysis. Handles large datasets efficiently in your browser.
JSON to XML Converter
Convert JSON to XML and XML to JSON. Transform complex data structures for API integration. Validate input structure and ensure compatibility across systems.
JSON to YAML Converter
Convert JSON to YAML and YAML to JSON. The essential tool for Kubernetes, Docker Compose, and DevOps configuration management. Validate and format instantly.
HTML to Markdown Converter
Convert HTML to Markdown and Markdown to HTML. Simplify content migration for blogs and documentation. Produces clean, semantic, and readable output.
Number Base Converter
Free Number Base Converter. Convert between Binary (2), Octal (8), Decimal (10), Hexadecimal (16), and custom bases (2-36). Real-time conversion, BigInt support for large numbers. Perfect for programmers, students, and network engineers.
Time Converter
Free Unix Timestamp Converter and Timezone Calculator. Convert Epoch time to human-readable dates, compare timezones, and calculate durations. Client-side and secure.
Unit Converter
Universal Unit Converter. Instantly convert Storage (KB/GB), Length (mm/km/ft), and Weight (kg/lb). Accurate real-time calculations for students and pros.
Image to Base64 Converter
Convert Images to Base64 Strings. Embed images directly in HTML/CSS to reduce HTTP requests. Supports PNG, JPG, GIF, and SVG formats with instant preview.
ASCII Art Generator
Convert text and images into ASCII art. Use stylish fonts for text or turn your photos into character-based art. Copy or download the result.
Security & Cryptography Tools
Strong Password Generator
Strong Password Generator. Create secure, random passwords with custom length, symbols, and numbers. Prevent hacks with high-entropy, uncrackable keys.
UUID Generator
Free Online UUID Generator. Generate Universally Unique Identifiers (UUID v4 & v1). Bulk generate up to 1000 GUIDs instantly for databases and testing.
Token Generator
Random Token & API Key Generator. Create secure, high-entropy tokens, secrets, and session IDs. Supports Hex and Base64 formats for maximum security.
RSA Key Generator
RSA Key Pair Generator. Generate secure Public & Private RSA keys (PEM format) locally. Supports 1024, 2048, and 4096-bit encryption for secure communications.
Network Tools
SSL Checker
Free Online SSL Checker. Verify SSL/TLS certificate validity, expiry date, and trust chain. Diagnose installation issues and ensure your website is secure.
Whois Lookup
Free Whois Domain Lookup. Check domain registration details, ownership, expiry date, and nameservers. Supports all TLDs with recursive queries.
DNS Lookup
Free DNS Record Lookup. Check A, AAAA, MX, NS, TXT, and CNAME records instantly. Verify domain propagation, mail server configuration, and SPF/DKIM records.
Subnet Calculator
Advanced IP Subnet Calculator. Calculate network address, broadcast, netmask, and usable host range from CIDR. Ideal for network engineers.
Chmod Calculator
Visual Chmod Calculator. Generate Linux file permissions (755, 644) using an interactive grid. Convert symbolic and octal formats instantly.
API / Backend Tools
Cron Expression Generator
Visual Cron Expression Generator. Easily create and debug cron schedules for Linux and Quartz. Translate complex cron strings into human-readable text.
SQL Query Playground
Free Online SQL Playground. Run SQLite queries directly in your browser with WebAssembly. Practice SELECT, JOIN, GROUP BY, subqueries. Import/export databases. Zero setup, 100% private, instant execution. Perfect for learning SQL and interview prep.
Dockerfile Generator
Professional Online Dockerfile Generator. Create optimized, secure, and production-ready Docker configurations for Node.js, Python, Go, Java, PHP, and more. Support for multi-stage builds, environmental variables, and security hardening. 100% private and client-side.
GitHub Actions Generator
Professional GitHub Actions Workflow Generator. Create custom YAML configurations for CI/CD pipelines. Support for automated testing, building, and multi-cloud deployment (AWS, Azure, Firebase). 100% secure and private.
Image & Media Tools
Image Background Remover
Professional AI background remover with advanced features. Remove backgrounds from photos instantly, 100% free & private. Export as PNG, WebP, or JPG with quality controls. No signup required.
Image Resizer
Free Online Image Resizer. Resize JPG, PNG, and WebP images by pixels or percentage. Maintain aspect ratio and download high-quality images instantly.
Image Compressor
Advanced Image Compressor. Compress PNG, JPG, and WebP images without losing quality. Reduce file size significantly for faster website loading speeds.
PNG/JPG/WebP Converter
Convert Images to Different Formats. Instantly convert between PNG, JPG, and WebP. Batch processing with 100% client-side privacy for your photos.
Signature Generator
Free Online Digital Signature Generator. Draw your signature or generate one from text. Download transparent PNG for use in documents and emails.
Writing & Content Tools
Lorem Ipsum Generator
Lorem Ipsum Generator. Generate placeholder text for successful designs. Create paragraphs, sentences, or words. Copy as plain text or HTML tags instantly.
Text Case Converter
Text Case Converter. Convert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case, and more instantly. Perfect for coding and content formatting.
Word Counter
Free Word and Character Counter. Count words, characters (with/without spaces), sentences, and paragraphs. Real-time analysis for writers and students.
Readability Checker
Readability Score Checker. Analyze text complexity using Flesch-Kincaid and other algorithms. Improve your writing clarity and engagement rankings.
Diff Checker
Online Text Diff Checker. Compare two text files or code snippets side-by-side. Highlight added, removed, and modified lines to spot differences instantly.
SEO Tools
Keyword Extractor
Free Keyword Extractor. Analyze text frequency to find prominent keywords and phrases. Calculate keyword density to optimize your content for SEO.
URL Cleaner
URL Param Cleaner. Automatically remove tracking parameters (UTM, fbclid, gclid) from URLs. Create clean, private links for safer sharing.
Schema Markup Generator
Schema Markup Generator (JSON-LD). Create structured data for Articles, FAQs, Organizations, and more. Boost SEO with Google Rich Snippets.
Link Preview Tool
Social Media Link Preview Tool. Debug Open Graph and Twitter Card tags. Visualize how your link appears on Facebook, Twitter, LinkedIn, and WhatsApp.
Robots.txt Generator
Free Robots.txt Generator. Create valid robots.txt files to control search engine crawlers. Set Allow/Disallow rules, block AI bots (GPTBot), and add Sitemap location.
Meta Tag Generator
Free Meta Tag Generator. Create optimized Title, Description, and Open Graph tags. Boost your SEO rankings and control how your links look on social media.
PDF Tools
PDF Merger
Merge PDF Files Online. Combine multiple PDF documents into a single organized file. Reorder pages easily. 100% private & secure client-side merging.
Image to PDF
Free Image to PDF Converter. Convert JPG, PNG, WebP images into professional PDF documents online. Combine multiple images, adjust orientation & margins. 100% client-side processing, secure & private. No upload required.
PDF to Image
Free PDF to Image Converter. Convert PDF pages to high-quality JPG or PNG images online. Extract all pages or select specific ones. 100% client-side processing, secure & private. No upload required.
PDF Compressor
Free Online PDF Compressor. Reduce PDF file size by up to 90% without uploading to servers. Smart compression with 3 quality levels. 100% client-side processing, secure & private. No file size limit.
Business Tools
Free Online Invoice Generator
Free Online Invoice Generator for freelancers and small businesses. Create professional PDF invoices instantly with automatic calculations, multi-currency support, and logo upload. 100% client-side, secure, and no sign-up required.
World Meeting Planner & Time Zone Converter
Effortlessly schedule international calls. Visualize time differences across global cities instantly.
Comprehensive Developer Toolkit
Web Development
Optimize your web workflow with essential utilities. Generate meta tags for SEO, create robots.txt files, and build responsive images with srcset generation to ensure your site performs perfectly across all devices.
Code Formatters
Clean, validate, and beautify your code instantly. Use our JSON Formatter, HTML Beautifier, and SQL Formatter to fix indentation and readability issues. We also support standard CSS and XML formatting.
Data Converters
Transform data between different formats effortlessly. Convert JSON to CSV for spreadsheets, YAML to JSON for configuration, or Markdown to HTML for content management. Accurate conversions with zero server uploads.
Image Processing
Edit and optimize images directly in the browser. Compress PNG and JPG files to reduce file size without quality loss, resize images for social media, or convert to modern formats like WebP.
Security & Encryption
Secure your data with client-side cryptography. Generate strong RSA key pairs, create random passwords and UUIDs, or secure strings with SHA/MD5 hashing.
PDF Utilities
Manage your documents easily. Merge multiple PDFs into a single file, convert images to PDF, or extract pages using our PDF to Image converter. All operations are performed locally for maximum privacy.
About ToolsAid
ToolsAid is a comprehensive suite of free, client-side utilities designed specifically for developers, designers, and digital professionals.
Our mission is to provide fast, secure, and accessible tools that help you boost productivity without compromising your data privacy. From SQL playgrounds and JSON formatters to image compressors and CSS generators, we've got you covered.
Frequently Asked Questions
Is it really free?
Yes, all tools are completely free to use. Additional features are constantly being added based on community feedback.
Is my data safe?
Absolutely. All processing happens locally in your browser. We never upload your files or data to any server.
Can I work offline?
Since most tools run client-side, many functionalities will work even without an active internet connection once loaded.
Privacy First
All processing happens directly in your browser. Your data never leaves your device.
Blazing Fast
Instant results with no server latency. Built for performance and efficiency.
Free Forever
Completely free utilities for developers worldwide.
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