Free Online Tools & AI Tools Directory

Merge and split PDFs, compress and resize images, make barcodes and QR codes, and explore 142+ AI tools with pricing and features. The free tools run in your browser, so your files stay private.

Free online tools

• Word Counter: Count words, characters, sentences, and estimate reading time for any text instantly.
• Case Converter: Convert text to UPPERCASE, lowercase, Title Case, camelCase, or sentence case.
• Lorem Ipsum Generator: Generate placeholder text with custom paragraph count and word length.
• Palindrome Checker: Check if a word or phrase is a palindrome – reads the same forwards and backwards.
• Meta Tag Generator: Generate SEO-optimized meta title and description tags for your web pages.
• Keyword Density Checker: Analyze keyword density and frequency in your content for SEO optimization.
• Slug Generator: Create clean, SEO-friendly URL slugs from any text or title instantly.
• Reading Time Calculator: Estimate the reading time of any blog post or article to improve UX.
• JSON Formatter: Format, validate, and beautify JSON data with syntax highlighting.
• Base64 Encoder/Decoder: Encode and decode Base64 strings for data transmission and storage.
• URL Encoder/Decoder: Encode and decode URLs for safe transmission across networks.
• UUID Generator: Generate unique universally unique identifiers (UUIDs) for applications.
• CSS Minifier: Minify CSS code to reduce file size and improve website loading speed.
• HTML Entity Converter: Convert special characters to HTML entities and vice versa.
• Color Picker & Converter: Pick colors and convert between HEX, RGB, HSL, and CMYK color formats.
• Gradient Generator: Create beautiful CSS gradients visually and copy the code instantly.
• Aspect Ratio Calculator: Calculate and maintain aspect ratios for images and video dimensions.
• Favicon Generator: Generate favicons in multiple sizes from any image or emoji.
• Percentage Calculator: Calculate percentages, percentage change, and find what percent one number is of another.
• Unit Converter: Convert between length, weight, temperature, area, volume, and more units.
• Binary/Hex Converter: Convert between binary, decimal, hexadecimal, and octal number systems.
• Roman Numeral Converter: Convert between Arabic numbers and Roman numerals instantly.
• Password Generator: Generate strong, secure passwords with custom length and character options.
• MD5 Hash Generator: Generate MD5 hash values for strings, passwords, and data verification.
• SHA256 Generator: Generate SHA-256 hash values for secure data verification and checksums.
• Pomodoro Timer: Boost focus with the Pomodoro technique – 25-minute work sessions with breaks.
• Character Counter: Count characters with and without spaces for Twitter, SMS, meta descriptions.
• QR Code Generator: Generate QR codes for URLs, text, emails, WiFi, and more in seconds.
• Color Palette Generator: Generate harmonious color palettes from a base color using color theory.
• Regex Tester: Test and debug regular expressions with live matching and explanation.
• Text Diff Checker: Compare two texts side-by-side and highlight the differences instantly.
• Markdown Preview: Write Markdown and see a live preview rendered in real-time.
• Barcode Check Digit Calculator: Calculate or verify EAN-13, UPC-A, EAN-8 and GTIN-14 check digits
• Barcode Generator: Create a barcode in Code 128, EAN-13, UPC and more
• Bulk Barcode Generator: Make hundreds of barcodes at once from a list, download as ZIP
• Bulk QR Code Generator: Create many QR codes from a list of links, download as ZIP
• Image Compressor: Reduce JPG, PNG and WebP file size in bulk without uploading
• Image Converter: Convert images between JPG, PNG and WebP in bulk
• Image Resizer: Resize many images by width, height or percentage in your browser
• Image to Base64 Converter: Turn an image into a Base64 data URI for HTML and CSS
• Images to PDF: Turn JPG, PNG and other images into one PDF
• Merge PDF: Combine several PDF files into one, in any order
• PDF to JPG / PNG: Convert every PDF page into a JPG or PNG image
• Random Number Generator: Pick random numbers in any range, with or without repeats
• Remove Duplicate Lines: Clean a list by removing repeated lines, with optional sorting
• Rotate PDF: Rotate all or selected PDF pages and save
• Split PDF: Extract pages, remove pages or split a PDF into separate files

AI tools by category

• Writing AI tools
• Image AI tools
• Coding AI tools
• Video AI tools
• Audio AI tools
• SEO AI tools
• Chatbot AI tools
• Productivity AI tools
• Design AI tools
• Research AI tools
• Business AI tools
• Education AI tools
• Customer Service AI tools
• Healthcare AI tools
• Finance AI tools
• Legal AI tools
• Social Media AI tools
• Data Science AI tools
• Translation AI tools
• Security AI tools
• Presentation AI tools
• HR AI tools
• Retail AI tools

Featured AI tools

• ChatGPT: OpenAI's flagship conversational AI. Write, code, analyze, brainstorm — the most versatile AI assistant.
• Jasper AI: Enterprise-grade AI writing assistant for marketing copy, blog posts, social media, and brand content.
• Grammarly: AI writing assistant that checks grammar, style, tone, and clarity across all your apps.
• Midjourney: Create stunning, hyper-realistic AI art and images via Discord. The gold standard of AI image generation.
• DALL-E 3: OpenAI's image generation model with exceptional text-to-image accuracy integrated in ChatGPT.
• GitHub Copilot: AI pair programmer that suggests code completions and entire functions in real-time inside your editor.
• Cursor: AI-first code editor built on VS Code. Chat with your codebase, edit with AI, generate entire features.
• Runway ML: Professional AI video editing and generation platform used by filmmakers and creative professionals.
• Luma AI: State-of-the-art AI video generation with Dream Machine. Create cinematic videos from text.
• Sora: OpenAI's revolutionary text-to-video AI model that creates realistic minute-long videos.
• ElevenLabs: Ultra-realistic AI voice synthesis and cloning. Create natural voiceovers in 29 languages.
• Claude AI: Anthropic's safety-focused AI assistant. Excellent at analysis, writing, and nuanced conversations.
• Google Gemini: Google's most capable multimodal AI with real-time web access and deep Google integration.
• Claude Code: Anthropic's agentic coding tool that works in your terminal, IDE and the web to read, edit and run code.
• Google Veo: Google DeepMind's video generation model with native audio, available through Gemini and Flow.
• Lovable: Describe an app in plain English and get a working full-stack web app you can iterate on and deploy.
• NotebookLM: Google's research notebook: upload your sources and get grounded answers, summaries and audio overviews.