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What is the difference between self-hosting and MyDevTools Cloud?

Self-hosting is the same codebase running on your own infrastructure — you own the data and pay nothing to us. MyDevTools Cloud is our managed service; it is a paid subscription that covers hosting, sync, and backups.

Sensitive data is encrypted in your browser before it reaches the server where supported. The server stores encrypted blobs for vault-style data instead of readable plaintext.

Do I need an account to use the tools?

Google Sign-In is required to save your data across sessions. Many public tool pages can be explored before opening the full app experience.

Is this truly open source?

Yes. Full source code is available on GitHub under the GPL-3.0 license. You can audit, contribute, fork, or self-host it.

Does it work offline?

Many tools are fully client-side and can work without server processing. Tools that connect to external services, sync data, or send API requests need a network connection.

Does HMAC Generator store or upload my data?

HMAC Generator is designed for browser-based use. Many MyDevTools utilities process data locally; tools that require sync or external connections may send only the data needed for that workflow.

Do I need to install anything to use HMAC Generator?

No installation required. HMAC Generator runs directly in your web browser — just open the link and start using it.

Generators

Free HMAC Generator OnlineHMAC Generator on MyDevTools

Compute HMAC-SHA256 (and SHA1/384/512) signatures in hex or Base64 — useful for testing Stripe, GitHub, or custom webhook signatures. Answers "HMAC generator online" or "sign webhook payload online".

Use HMAC Generator Browse All Tools

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 in your browser. Runs entirely in your browser — no installation, no account required to try it.

Common HMAC Generator use cases

Use HMAC Generator when you need a fast, browser-based way to work with hmac. It is useful during API debugging, code reviews, documentation cleanup, test data preparation, and quick checks on a new machine where you do not want to install a desktop app. Because MyDevTools keeps related utilities together, 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 for quick browser-based developer tasks.
HMAC Generator supports hmac sha256 workflows for quick browser-based developer tasks.
HMAC Generator supports webhook signature workflows for quick browser-based developer tasks.
HMAC Generator supports api signing workflows for quick browser-based developer tasks.
HMAC Generator supports stripe webhook workflows for quick browser-based developer tasks.
HMAC Generator supports github webhook workflows for quick browser-based developer tasks.
HMAC Generator supports message authentication workflows for quick browser-based developer tasks.
Runs in your browser — no install
Free to use, always

HMAC Generator FAQ

Is HMAC Generator free to use?

Yes. HMAC Generator is available through MyDevTools with a public landing page and browser-based app experience.

Do I need to install anything for HMAC Generator?

No. HMAC Generator runs in a web browser, so you can open it from any modern device without installing a desktop utility.

What is HMAC Generator best for?

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
Click "Use HMAC Generator Free" above — no download or account required.
02
Enter your data
Paste or type your input directly in the browser. 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.

Open HMAC Generator

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