hash

Hash Generator — Hash any text with MD5, SHA-1, SHA-256, SHA-384, or SHA-512 — all client-side via Web Crypto.

Bcrypt Generator — Generate bcrypt password hashes with a configurable cost factor. Enter a password and get a secure bcrypt hash instantly.

Box Shadow Generator — Build CSS box-shadow visually — tune offset, blur, spread, color, opacity, and inset with live preview.

JSON to Go Struct — Paste a JSON sample and get matching Go struct definitions — with optional json:"..." tags, omitempty, and...

Calculate file or text hashes online — MD5, SHA-1, SHA-256, SHA-512. Verify file integrity by comparing a known checksum. Free, in your browser.

Generate and verify HMAC signatures using SHA-1, SHA-256, SHA-384, or SHA-512. Output in hex or base64. Verify authenticity of signed messages. All local, no server uploads.

Open Graph Image Generator — Generate 1200×630 Open Graph cards, Twitter / LinkedIn social images, square Instagram-style images, or 9:16 story cards. D...

Hashtag Generator — Paste your content or enter keywords to generate relevant hashtags for social media. Supports Instagram, Twitter, TikTok, and other ...