Free Online Tools
Count characters, words, sentences, lines and paragraphs in real-time.
Generate QR codes for any text or URL. Download as PNG.
Create strong, random passwords with customizable length and complexity.
Convert between length, weight, temperature, area, volume, speed and data units.
Format, minify, and validate JSON with syntax highlighting.
Encode and decode Base64 strings and files. Supports UTF-8.
Convert between HEX, RGB, and HSL. Pick colors and copy CSS codes.
Generate MD5, SHA-1, SHA-256, SHA-512 hashes for text and files.
Encode and decode URLs. Parse query parameters and fragments.
Generate placeholder text for designs and mockups.
Live Markdown editor with instant preview. Export as HTML.
Test regular expressions with real-time highlighting and match details.
Compress JPEG, PNG, and WebP images in your browser. No upload needed.
Convert Unix timestamps to dates and vice versa. Supports seconds and milliseconds.
Compare two texts and find differences with line-by-line highlighting.
Convert between CSV and JSON formats. Custom delimiters and file upload.
Convert text to UPPERCASE, camelCase, snake_case, kebab-case and more.
Calculate aspect ratios, lock proportions, and detect image dimensions.
Analyze text: word frequency, reading time, and visual charts.
Encode and decode HTML entities. Quick reference table included.
Create linear, radial, and conic gradients visually. Copy CSS code.
Design box shadows with multiple layers, inset, and presets.
Convert between binary, octal, decimal, hex, and any base (2-36).
Search 500+ emojis by name or category. Click to copy.
Parse cron expressions, see next execution times, and use the visual editor.
Learn and generate Flexbox layouts visually with real-time preview.
Convert SVG to Data URI, Base64, or optimized SVG. Preview included.
Convert text to audio in your browser. Multiple voices, speed and pitch control.
Generate SEO meta tags, Open Graph, and Twitter Cards with live preview.
Find IP location, ISP, timezone. Includes subnet calculator.
Build CSS Grid layouts visually. Set columns, rows, gaps, and merge cells.
Decode JSON Web Tokens. View header, payload, and expiration status.
Create SEO-friendly URL slugs. Transliterate accents, remove stop words.
Countdown timer with audio alerts and stopwatch with lap times.
Generate placeholder images with custom size, color, and text. Social media presets.
Compare prices across Rakuten and Amazon Japan. Find the best deals.