Explore Knexio's collection of 70+ free online tools for writing, content creation, coding, finance, and productivity. All tools work directly in your browser with no signup required.
Complete text statistics: words, characters, sentences, paragraphs, and syllables in one tool.
Analyze WritingCount words, characters, sentences, and paragraphs in your text instantly.
Open Tool WritingEstimate reading time for articles and blog posts based on word count.
Open Tool TextConvert text to uppercase, lowercase, title case, or sentence case instantly.
Open Tool TextCompare two texts and highlight differences with side-by-side view.
Open Tool TextCount word frequency and generate frequency distribution charts.
Open Tool TextCount uppercase and lowercase letters with percentage breakdown.
Open Tool TextConvert text to binary code and decode binary back to text.
Open Tool TextConvert text to Morse code and decode Morse code back to text.
Open Tool TextConvert numbers to Roman numerals and vice versa.
Open Tool TextWrap text at specific column widths for code formatting.
Open ToolFormat and validate JSON data with syntax highlighting.
Open Tool CodeEncode and decode Base64 strings for text and images.
Open Tool CodeGenerate MD5, SHA-1, SHA-256, and other cryptographic hashes.
Open Tool CodeEncode special characters in URLs and decode encoded URLs.
Open Tool CodeTest and debug regular expressions with live matching.
Open Tool CodeConvert between binary, decimal, hexadecimal, and octal.
Open Tool CodeEncode and decode HTML entities for web development.
Open Tool CodeMinify CSS code by removing whitespace and comments.
Open Tool CodeConvert JSON data to CSV format for spreadsheets.
Open Tool CodeFormat XML documents with proper indentation.
Open Tool CodeFormat SQL queries with consistent indentation.
Open Tool CodeFormat and beautify code in various programming languages.
Open Tool CodeTest REST API endpoints with different HTTP methods.
Open Tool CodeDecode JSON Web Tokens to view header and payload.
Open ToolCalculate Body Mass Index with health category indicators.
Open Tool CalculatorCalculate exact age in years, months, weeks, and days.
Open Tool CalculatorCalculate monthly loan payments and amortization schedule.
Open Tool CalculatorCalculate compound interest growth over time.
Open Tool CalculatorCalculate percentages and percentage changes instantly.
Open Tool CalculatorCalculate restaurant tips with split bill features.
Open Tool CalculatorConvert between length, weight, temperature, and volume units.
Open Tool CalculatorConvert times between different time zones.
Open Tool CalculatorCalculate daily calorie needs based on activity level.
Open Tool CalculatorCalculate days between two dates with weekend exclusion.
Open Tool CalculatorAdvanced calculator with trigonometric and logarithmic functions.
Open Tool CalculatorGenerate random numbers within specified ranges.
Open ToolPick colors and get HEX, RGB, HSL, and CMYK values.
Open Tool DesignConvert HEX color codes to RGB values with preview.
Open Tool DesignCreate beautiful CSS gradients with color pickers.
Open Tool DesignCompress and optimize images while maintaining quality.
Open Tool DesignConvert images to Base64 strings for embedding.
Open Tool DesignCalculate aspect ratios for images and videos.
Open Tool DesignGenerate QR codes for URLs, text, and contact info.
Open Tool DesignCreate favicons in multiple sizes and formats.
Open Tool DesignConvert text to speech with different voices and speeds.
Open ToolCreate strong, secure passwords with custom settings.
Open Tool UtilityCheck password strength with improvement suggestions.
Open Tool UtilityOnline timer and stopwatch with countdown and lap timing.
Open Tool UtilityLive preview Markdown text as rendered HTML.
Open Tool UtilityGenerate placeholder text for design mockups.
Open Tool UtilityRemove duplicate lines from text while maintaining order.
Open Tool UtilityValidate credit card numbers with card type detection.
Open Tool UtilityLookup IP address information and geolocation.
Open Tool UtilityDetect your screen resolution and viewport dimensions.
Open Tool UtilityCreate URL-friendly slugs from text.
Open Tool UtilityFormat currency values according to international standards.
Open Tool UtilityConvert Unix timestamps to readable dates.
Open Tool SEOGenerate meta tags for SEO including Open Graph tags.
Open Tool SEOAnalyze keyword density for SEO optimization.
Open Tool SEOGenerate relevant Instagram hashtags for your content.
Open Tool AISpecialized word counter for AI prompts with token estimation.
Open Tool UtilityGenerate UUID v1, v4, v7 for unique identifiers.
Open Tool DeveloperFormat, validate, and convert YAML to JSON.
Open Tool DeveloperVisual cron expression builder with examples.
Open Tool HealthCalculate target heart rate zones for exercise.
Open Tool UtilityGenerate clickable YouTube timestamps.
Open Tool DesignCreate CSS gradients with visual preview.
Open Tool DesignView and test Lottie JSON animations online.
Open Tool UtilityCreate .ics calendar files for any calendar app.
Open Tool AccessibilityCheck WCAG color contrast compliance.
Open Tool ProductivityFocus timer using the Pomodoro technique.
Open Tool DeveloperConvert Markdown to HTML instantly.
Open Tool UtilityFind location and ISP info for any IP address.
Open Tool DeveloperTest regular expressions in real time.
Open Tool UtilityGenerate barcodes in CODE128, EAN-13, UPC-A, and QR Code formats.
Open Tool WritingCount sentences in text with detailed analysis for academic writing.
Open Tool DeveloperConvert CSV data to JSON format instantly.
Open Tool UtilityConvert files between different formats online.
Open Tool DesignConvert HSL color values to RGB and HEX.
Open Tool DesignResize images to any dimension without losing quality.
Open Tool BusinessCreate professional invoices for your clients.
Open Tool DeveloperGenerate oEmbed code for embedding media content.
Open Tool DeveloperGenerate pagination links for website navigation.
Open Tool UtilityConvert PDF pages to images instantly.
Open Tool UtilityConvert PDF documents to editable Word files.
Open Tool UtilityGenerate random secure PIN codes.
Open Tool UtilityGenerate random inspirational quotes.
Open Tool DeveloperGenerate random strings and passwords.
Open Tool AIExtract text from screenshots using OCR.
Open Tool WritingCheck and analyze sentence length in your text.
Open Tool UtilityCapture full-page screenshots of any website.
Open Tool UtilityTest your website loading speed and performance.
Open ToolKnexio provides a comprehensive collection of free online tools designed to help with writing, content creation, web development, and productivity. Our tools are built to work directly in your browser, requiring no downloads or installations.
100% Free: All tools are completely free with no hidden charges or premium tiers.
No Registration Required: Use any tool without creating an account or providing personal information.
Browser-Based: Works on any device with a modern web browser – no software installation needed.
Privacy Focused: Your data stays in your browser. We don't store or track your input.
Regular Updates: We continuously add new tools and improve existing ones based on user feedback.