Generate HMAC signatures using a secret key and hash algorithm for API authentication. Everything runs locally in your browser — nothing is uploaded.
Hash API keys using SHA-256 for secure storage. Never store raw API keys — hash them before persisting to your database.
Generate secure API keys with configurable length, character set, and optional prefix. Use with any authentication scheme.
Full-featured API client that runs in your browser — make HTTP requests, edit headers/body/params, save collections, generate code snippets (cURL/Fetch/Axios). Your API keys never touch a server — everything runs locally.
Generates RSA (2048/4096) or ECDSA (Curve25519) PGP key pairs with customizable user IDs, expiration dates, and passphrase protection. Everything runs locally in your browser — nothing is uploaded.
Generates legally correct formal complaint letters citing Indian consumer law — Consumer Protection Act 2019, RERA, TRAI, or RBI regulations. AI-powered with your API key.
HMAC Generator lets you generate HMAC signatures using a secret key and hash algorithm for API authentication. Everything runs locally in your browser — nothing is uploaded.. It works on any device with a modern web browser.
Generate HMAC signatures using a secret key and hash algorithm for API authentication. Everything runs locally in your browser — nothing is uploaded. It runs entirely in your browser — no software installation or data uploads required.
Paste or type your content directly into the provided text area.
Yes. After the initial page load, HMAC Generator runs entirely on your device with no internet connection needed. All processing is done locally.
Generate HMAC signatures using a secret key and hash algorithm for API authentication. Everything runs locally in your browser — nothing is uploaded. All processing runs locally — no code is sent to any server.
Tools cover JavaScript, CSS, HTML, SQL, Python, JSON, XML, CSV, and more. Check the tool description for specifics.
Yes. Since processing is local, performance depends on your device. Most operations handle large files without issue.
Yes. Formatters use well-known libraries (sql-formatter, Prettier-compatible patterns) and follow widely adopted rules.
Content Hash Generator
Compute SHA-1, SHA-256, SHA-384, or SHA-512 hashes of text content using the Web Crypto API. Everything runs locally in your browser — nothing is uploaded.
Webhook Signature Verifier
Verify webhook HMAC-SHA256 signatures. Validate that incoming webhooks are genuinely from your provider and haven't been tampered with.