22 free online tools. All run in your browser — no signup, no tracking, no data leaves your device.
Free online hash generator. Convert text to MD5, SHA-1, SHA-256, SHA-512 hashes instantly. Client-side, secure.
Free online Base64 encoder and decoder. Convert text to Base64 or decode Base64 to text. Client-side and instant.
Free online URL encoder and decoder. Encode special characters for use in URLs or decode percent-encoded URLs.
Free online JWT (JSON Web Token) decoder. Decode and inspect JWT header, payload, and signature. Client-side, no data sent to servers.
Free secure password generator. Create strong random passwords with custom length and character types. Generated client-side.
Free online UUID v4 generator. Generate cryptographically random UUIDs (GUIDs) for development. Click to generate multiple at once.
Free online QR code generator. Create QR codes for URLs, text, WiFi, and more. Download as PNG. No watermarks.
Free Lorem Ipsum placeholder text generator. Generate paragraphs, sentences, or words for your designs and mockups.
Free online URL slug generator. Convert any text to a clean, SEO-friendly URL slug. Strip special characters automatically.
Free online JSON formatter, validator, and minifier. Pretty-print or compress JSON instantly. Detect syntax errors.
Free online regex tester. Test JavaScript regular expressions with live highlighting and match details. Supports flags.
Free online Markdown to HTML converter. Convert Markdown text to clean HTML instantly. Live preview included.
Free online color converter. Convert between HEX, RGB, and HSL color formats instantly with live preview.
Free online Unix timestamp converter. Convert epoch time to human-readable date or vice versa. Multiple time zones.
Free online number base converter. Convert between binary, octal, decimal, and hexadecimal instantly.
Free online case converter. Convert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case, kebab-case, and more.
Free online bandwidth calculator. Calculate download time for any file size at any internet speed.
Free storage capacity calculator. Find out how many photos, songs, or HD videos fit on any drive size.
Free online subnet calculator. Calculate IPv4 subnet ranges, network and broadcast addresses, host counts from CIDR notation.
Free online word and character counter. Get instant counts of words, characters, sentences, paragraphs, and reading time.
Free online text comparison tool. Compare two texts side-by-side and highlight differences instantly.
Free online code minifier. Compress HTML, CSS, or JavaScript by removing whitespace and comments. Reduces file size.