Free online generators that paste straight into your work.

Turn plain English into cron expressions. Or paste a cron expression and get a human-readable explanation.

Describe what you want to match in plain English. Get a regex pattern with a live test panel and a token-by-token breakdown.

Convert a title into a URL-safe slug. Separator, case, max-length, and Unicode transliteration options.

Generate placeholder text in seconds. Classic Latin or modern variants — corporate, hipster, bacon. By paragraphs, sentences, or words.

Decode any JWT and inspect its header, payload, and signature. Encode new tokens with HS256, RS256, and more.

Hash a string with MD5, SHA-1, SHA-256, SHA-512, or bcrypt. Compare two hashes side by side.

Strong API keys and secrets with prefix support — sk_test_, pk_live_, or your own. Configurable length and charset, bulk mode.

Generate UUIDs (v1, v4, v7, v8) in bulk, with format options and a validator. Cryptographically random by default.

Paste JSON, get TypeScript interfaces, type aliases, Zod schemas, or Valibot schemas. Updates as you type.

Generate random integers or floats in any range. Bulk output, allow-repeats toggle, seeded mode for reproducible runs.

Describe your stack in plain English, or pick from a list of common environments — get a clean, deduplicated .gitignore.

Pick MIT, Apache 2.0, GPL, BSD, MPL, or public-domain. Fill author and year. Get the LICENSE file.

Type a vibe — 'desert at dusk', 'cyberpunk lab' — and get a 5-color palette with hex, RGB, HSL, and OKLCH for every swatch.

Build linear and radial gradients visually. Pick stops, angle, and direction; copy as CSS or Tailwind arbitrary value.

Pick or paste a color, get every format — hex, RGB, HSL, OKLCH, CMYK, and the closest named color.

Build CSS shadows with sliders for offset, blur, spread, color, and opacity. Live preview, multi-shadow stacking, copy as CSS or Tailwind.

Visual builder for frosted-glass cards. Sliders for blur, opacity, saturation, border — copy CSS or Tailwind.

Build CSS @keyframes animations visually. Pick a preset or design your own — duration, easing, iteration. Live preview, CSS + Tailwind output.

Generate deterministic avatars from a seed string. Initials, geometric, or identicon styles. SVG output, downloadable.

Generate strong random passwords or memorable passphrases. Length, character classes, bulk mode — all local.

Generate 4, 6, or 8-digit PINs that avoid obvious patterns like 1234, 0000, or birthdays.

Themed usernames from a vibe — 'cyberpunk hacker, short', 'cozy gardener', '90s gamer'. AI-generated, length-controlled.

Plausible test email addresses for demos, fixtures, and form testing. Bulk generation, never sends.

Realistic-looking but fully fake person names. Filters for origin, gender, and format — first, last, full.

Plausible postal addresses for test forms and demos. Per-country formats (US, UK, DE, FR, CA, JP, AU).

Plausible phone numbers in the officially-reserved test ranges. Per-country formats. Never dial a real line.

Stripe-style test card numbers — successful charges, declines, 3DS challenges. Valid Luhn, never charges.

Turn text, URLs, WiFi credentials, or vCard info into a QR code. Download as SVG or PNG, customize color and error correction.

Generate a complete favicon bundle from text or an uploaded image — every size, manifest, and the HTML snippet.

Generate sized placeholder images — pick width, height, background, foreground, and label. Copy as SVG/PNG or a static URL.

Generate a full SEO + OpenGraph + Twitter Card meta tag block. Optional AI-suggest from a URL or page description.