Step-by-step guides for every tool on UtilsNow. Learn how to use our free online tools with clear instructions, tips, and FAQs.
Learn how to format, beautify, and validate JSON data online for free. Indent messy JSON in seconds.
Convert CSV files and data to JSON format online. Free tool with instant conversion and no file uploads.
Validate JSON data for syntax errors instantly. Free online JSON validator with detailed error messages.
Convert JSON to YAML format online. Perfect for Kubernetes configs, Docker Compose files, and CI/CD pipelines.
Generate TypeScript interfaces and types from JSON data automatically. Save time writing type definitions.
Format and beautify SQL queries online for free. Supports MySQL, PostgreSQL, and standard SQL syntax.
Test and debug regex patterns online with real-time matching, capturing groups, and explanations.
Decode and inspect JWT (JSON Web Tokens) online. View the header, payload, and verify token structure.
Generate Markdown tables visually. Add rows, columns, and alignment without memorizing Markdown syntax.
Convert Markdown text to HTML code online. Supports GitHub Flavored Markdown with tables, task lists, and code blocks.
Build and understand cron expressions visually. Schedule tasks with minute, hour, day, month, and weekday fields.
Create QR codes for URLs, text, WiFi, and more. Free QR code generator with customization options.
Resize images to exact dimensions online. Supports PNG, JPG, and WebP with quality controls.
Remove backgrounds from images automatically using AI. Free tool with no signup required.
Crop images to custom dimensions or aspect ratios online. Free tool with preset sizes for social media.
Convert between PNG, JPG, WebP, GIF, and other image formats online. Free with no quality loss.
Create favicons in all required sizes from a single image. Supports ICO, PNG, and SVG formats.
Convert images to Base64 encoded strings for embedding in HTML, CSS, and JSON. No server upload needed.
Count words, characters, sentences, and paragraphs in any text online. Free word counter with reading time.
Convert text to uppercase, lowercase, title case, sentence case, and more. Free case converter tool.
Find and replace text in bulk online. Supports regex, case-sensitive matching, and multiple replacements.
Remove duplicate lines from text instantly. Keep unique lines with optional case-insensitive matching.
Sort lines of text alphabetically, numerically, or by length online. Supports ascending and descending order.
Generate SEO meta tags for your website including title, description, Open Graph, and Twitter Card tags.
Analyze keyword density and frequency in your content. Optimize your SEO without over-stuffing keywords.
Preview how your page will appear in Google search results. Optimize your title and description for clicks.
Generate a robots.txt file for your website. Control which pages search engines can crawl and index.
Create FAQ structured data (schema.org) for rich results in Google search. Boost click-through rates.
Generate Open Graph meta tags to control how your pages appear when shared on Facebook, LinkedIn, and Twitter.
Create UTM-tagged URLs for campaign tracking in Google Analytics. Track traffic sources accurately.
Check WCAG color contrast ratios between text and background colors. Ensure your design meets accessibility standards.
Pick colors from images, get HEX/RGB values, and build palettes. Free online color picker tool.
Generate beautiful color palettes from a base color. Create complementary, analogous, and triadic schemes.
Create beautiful CSS gradients with a visual editor. Generate linear, radial, and conic gradient code.
Create CSS box shadows visually. Adjust offset, blur, spread, and color with real-time preview.
Create CSS Flexbox layouts visually. Configure direction, alignment, wrapping, and gap with live preview.
Calculate EMI for home loans, car loans, and personal loans. See monthly payments, interest, and amortization.
Calculate compound interest on investments and savings. See how your money grows over time with compounding.
Calculate monthly mortgage payments, total interest, and amortization schedule. Compare loan scenarios.
Calculate SIP (Systematic Investment Plan) returns and future value. Plan your mutual fund investments.
Calculate any percentage of any number. Find percentage increase, decrease, and difference with formulas.
Calculate your BMI using height and weight. Get your BMI category and health recommendations.
Convert Unix timestamps to human-readable dates and vice versa. Support for seconds and milliseconds.
Convert colors between HEX, RGB, HSL, and CMYK formats. Free online color converter with preview.
Convert between CSS units like px, rem, em, vw, vh, and percentages. Essential for responsive web design.
Calculate your exact age in years, months, days, hours, and minutes from your date of birth.
Encode text to Base64 or decode Base64 to text online. Essential for APIs, data URIs, and email encoding.
Encode special characters for URLs or decode percent-encoded URLs. Handle query parameters safely.
Generate MD5, SHA-1, SHA-256, and SHA-512 hash values from text. Useful for checksums and data integrity.
Generate secure, random passwords with customizable length, characters, and complexity requirements.
Generate UUID v4 (random) and other UUID versions online. Create unique identifiers for databases and APIs.
Generate lorem ipsum dummy text for design mockups and prototypes. Customizable paragraphs, sentences, or words.
Generate barcodes in Code 128, EAN-13, UPC-A, and other formats. Free barcode generator with download.
Generate .gitignore files for any programming language or framework. Node.js, Python, Java, React, and more.