Is HMAC Generator free to use?
Yes. HMAC Generator is part of MyDevTools, the all-in-one developer desktop app, and is free to use.
Generators
Free HMAC Generator — MyDevToolsHMAC Generator on MyDevTools
Compute HMAC-SHA256 (and SHA1/384/512) signatures in hex or Base64 — useful for testing Stripe, GitHub, or custom webhook signatures. An HMAC generator for signing webhook payloads locally.
About HMAC Generator
Compute HMAC-SHA1, HMAC-SHA256, HMAC-SHA384, and HMAC-SHA512 signatures in hex or Base64 for webhook signing and API integration testing. Runs entirely on your device. Part of MyDevTools — an all-in-one desktop toolkit that runs offline and processes your data locally on your machine.
Common HMAC Generator use cases
Use HMAC Generator when you need a fast, dedicated way to work with hmac. It is useful during API debugging, code reviews, documentation cleanup, test data preparation, and quick checks. Because MyDevTools keeps related utilities together in one offline desktop app, you can move from HMAC Generator into nearby tools like formatters, converters, generators, encoders, decoders, and API helpers without leaving the same toolkit.
Example workflow
A typical workflow starts by pasting or typing your input into HMAC Generator. Review the result, copy the cleaned or generated output, then continue with a related task such as validating a payload, decoding a token, parsing a URL, generating an identifier, or testing an API request. This makes HMAC Generator part of a practical developer workflow instead of a one-off utility page.
Key Features
- HMAC Generator supports hmac workflows in one all-in-one desktop toolkit.
- HMAC Generator supports hmac sha256 workflows in one all-in-one desktop toolkit.
- HMAC Generator supports webhook signature workflows in one all-in-one desktop toolkit.
- HMAC Generator supports api signing workflows in one all-in-one desktop toolkit.
- HMAC Generator supports stripe webhook workflows in one all-in-one desktop toolkit.
- HMAC Generator supports github webhook workflows in one all-in-one desktop toolkit.
- HMAC Generator supports message authentication workflows in one all-in-one desktop toolkit.
- Runs offline on your desktop
- Free to use, always
HMAC Generator FAQ
Do I need to install anything for HMAC Generator?
HMAC Generator is one of 80+ tools in the MyDevTools desktop app. Install MyDevTools once and every tool works offline, with your data processed locally.
What is HMAC Generator best for?
Compute HMAC-SHA256 (and SHA1/384/512) signatures in hex or Base64 — useful for testing Stripe, GitHub, or custom webhook signatures. An HMAC generator for signing webhook payloads locally.
What should I use with HMAC Generator?
Most developers pair HMAC Generator with related MyDevTools utilities such as formatters, parsers, encoders, generators, API tools, and security helpers.
How to Use HMAC Generator
- 01
Open the tool
Open HMAC Generator in the MyDevTools desktop app — no account required to start.
- 02
Enter your data
Paste or type your input directly. Processing happens locally on your device.
- 03
Copy the result
Get your output instantly. Copy it, download it, or keep working in the same tab.
Learn
HMAC Explained: How to Sign API Requests and Verify Webhook Signatures
Learn what HMAC is, how HMAC-SHA256 works, how to sign HTTP requests with a secret key, and how to verify webhook signatures from services like Stripe and GitHub.
6 min read•Security
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