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Browse our complete collection of 214+ free tools
Showing 99 tools(1-99 of 214)
Resize to 100x100 pixels
Resize images to any dimension
Create formatted Instagram bios with emojis and line breaks. Shows preview and character count.
Generate color palettes
Beautify minified JSON to make it readable. Validates syntax and highlights errors you'd miss in compressed format.
Convert between length, weight, volume, temperature, and more. Instant conversions across measurement systems.
Quick word & character counting when you're stuck hitting word limits or just curious how long your text actually is.
Calculate percentages multiple ways—percentage of numbers, percentage change, and reverse calculations.
Create QR codes for URLs, text, contacts, Wi-Fi. Customizable, downloadable in PNG/SVG formats.
Create CSS gradients visually with live preview. Generate linear, radial, and conic gradients without memorizing syntax.
Live markdown editor
Resize images to any dimension
Compress images down to smaller file sizes without ruining quality. Great for speeding up websites and saving storage space.
Convert JPG to WEBP format
Generate SEO meta tags including title, description, Open Graph, and Twitter Cards. Preview how pages appear in search.
Convert CSV files to JSON format instantly. Turn spreadsheet data into API-ready JSON structures.
AI removes backgrounds from photos instantly. Download transparent PNGs for products, profiles, or quick graphics.
Generate strong random passwords with custom length and character types. Secure, unique passwords for every account.
Create CSS box shadows visually with live preview. Layer multiple shadows for professional depth effects.
Compress JPG images
Create XML sitemaps for search engines with proper structure and priorities. Help search engines discover your pages.
Calculate BMI from height and weight with category classification. Metric and imperial units supported.
Generate random numbers within custom ranges. Perfect for games, giveaways, decisions, and testing.
Change text between uppercase, lowercase, camelCase, snake_case, and more without retyping everything manually.
Convert JSON to CSV for Excel and spreadsheets. Flatten JSON structures into tabular data format.
Convert PNG to WEBP with transparency
Compress JSON by removing whitespace for production. Cuts file size 30-40% while keeping it valid.
Resize to 120x120 pixels
Test password strength and get improvement suggestions. Learn what makes passwords secure or weak.
Convert markdown to HTML
Convert colors between HEX, RGB, HSL, CMYK formats. Visual picker included for selecting colors by eye.
Generate relevant hashtags for Instagram, Twitter, TikTok. Mix popular and niche hashtags for better reach.
Create seamless patterns
Encode text to Base64 or decode Base64 strings. Essential for APIs, data URIs, and text-only data transport.
Convert WEBP to JPG format
Create CSS border radius visually with corner-by-corner control. Generate rounded corners and complex organic shapes.
Check color contrast ratios
Generate robots.txt files to control search engine crawlers. Configure what gets crawled and indexed.
AI upscales images to higher resolutions without pixelation. Makes small photos bigger while keeping details sharp.
Calculate exact age in years, months, days, hours. Find age on specific dates or days since events.
Convert Excel (XLSX/XLS) to JSON format. Extract spreadsheet data for web apps and APIs.
Convert image formats
Resize to 1280x720 (16:9)
Convert HTML to markdown
Create Twitter threads easily with automatic splitting and numbering. Write long-form content as connected tweets.
Compare two texts side-by-side and see exactly what changed with color highlighting. Catches edits you'd miss scanning manually.
Compress PNG images
Convert Unix timestamps to dates and back. Handles timezones, milliseconds, essential for database and API work.
Format posts for Instagram, Twitter, Facebook, LinkedIn with proper spacing and platform-specific best practices.
Check current time across multiple time zones simultaneously. Essential for international scheduling and coordination.
Encode special characters in URLs and query strings. Decode URL-encoded text back to readable format.
Generate Lorem Ipsum placeholder text in any length for mockups and designs without copy-pasting from Wikipedia.
Resize to 1280x800 (16:10)
Crop images visually
Convert JSON to XML format for legacy systems and XML-only APIs. Creates well-formed XML from JSON.
Create custom avatars
Create CSS Flexbox layouts visually with live preview. Learn and generate flex properties by seeing them work.
Generate markdown tables
Analyze keyword density and frequency in content. Check if you're under-optimizing or keyword stuffing.
Calculate loan EMI, total interest, and payment schedules. Compare loan terms and understand total costs.
Convert WEBP to PNG with transparency
Optimize WebP images
Generate typography scales
Optimize GIF animations
Clean up lists by removing duplicate lines instantly while keeping original order intact. Handles thousands of lines no problem.
Generate MD5 hashes for checksums and file verification. Not secure for passwords, great for data integrity.
Convert JPG to PNG format
Convert image to WEBP
Convert XML to JSON for modern web apps. Parse XML into JSON objects and arrays easily.
Interactive markdown guide
Resize to 1366x768 (HD)
Encode images to Base64
Generate Open Graph tags for social media sharing. Control how links appear on Facebook, Twitter, LinkedIn.
Reverse text backwards, flip word order, or mirror characters for creative effects and encoding games.
Resize to 150x150 pixels
Reduce image quality percentage
Convert markdown to PDF
Create device mockups
Convert JSON to YAML for cleaner configuration files. Essential for Docker, Kubernetes, CI/CD configs.
Generate favicons in all sizes from any image. Gets you the .ico file and PNGs browsers need without manual resizing.
Create JSON-LD structured data for rich snippets. Generate schema markup for articles, products, events, recipes.
Convert PNG to JPG format
Generate unique UUIDs/GUIDs for databases, APIs, and applications. Guaranteed unique, no coordination needed.
Test regex patterns with live matching and highlighting. Debug regular expressions in real-time with instant feedback.
Sort text lines alphabetically or numerically in seconds. Way faster than opening Excel for simple list organization.
Convert YAML to JSON for applications needing JSON configs. Parse YAML into JSON objects.
Create simple logos
Generate markdown links
Generate canonical URL tags to prevent duplicate content issues. Consolidate ranking signals to preferred URLs.
Resize to 1500x500 (Twitter Header)
Convert GIF to MP4 video
Bulk find and replace text instantly with case options and whole word matching. Faster than manual search in most editors.
Convert Markdown to HTML for web publishing. Write in simple Markdown syntax, get formatted HTML output.
Convert image to PDF
Generate gradient color palettes
Resize to 1600x900 (HD+)
Generate markdown checklists
Convert to progressive JPEG
Encode special characters to HTML entities or decode them back. Prevents XSS and displays HTML as text safely.