DevUtilHub offers a collection of fast, privacy-focused developer utilities that run entirely in the browser.
- for
- Web developers who need quick, offline tools for encoding, formatting, hashing and debugging.
- pricing
- free
Key features
- Regex Tester — Test regular expressions with real-time highlighting in the browser.
- JWT Debugger — Decode and inspect JWT tokens locally without sending data to a server.
- Base64 & URL Encode/Decode — Encode or decode text, URLs, HTML and images to/from Base64 instantly.
- JSON Formatter & Minifier — Beautify, format or minify JSON data on the client side.
- Hash Generator — Create MD5, SHA256 and SHA512 hashes securely in the browser.
- UUID & GUID Generator — Generate random UUID v4 or GUID values with one click.
- QR Code & LLM Token Counter — Generate QR codes and estimate token usage for major LLM APIs.
- No Sign-up / No Tracking — All tools run locally; no accounts, cookies or data collection.
Use cases
- Validate and debug regular expressions while coding.
- Decode JWT tokens to inspect payloads during API development.
- Convert data between formats (Base64, URL, JSON, CSV) without leaving the browser.
- Generate secure hashes for password storage or data integrity checks.
- Quickly create UUIDs or QR codes for testing or documentation.
DevUtilHub vs alternatives
 DevUtilHub |  Webacus | |
|---|---|---|
| Best for | All-in-one browser-based dev utilities | General web-dev toolbox |
| Pricing | Free | Free |
| DevHunt upvotes | 1 | 26 |
| Launched | Oct 2026 | Nov 2024 |
- DevUtilHub vs Webacus: Webacus is a broader Swiss-army-knife for web development, while DevUtilHub focuses solely on lightweight, browser-only utilities.
DevUtilHub FAQ
Do any of the tools send my data to a server?+
No. All utilities run entirely in your browser, so your data never leaves your machine.
Is there a sign-up or account required?+
No sign-up or login is needed; you can start using the tools immediately.
Can I use DevUtilHub offline?+
Yes, because the tools are client-side only, they work without an internet connection after the page loads.
Are there any usage limits or ads?+
There are no usage limits, ads, or tracking; the service is free and unrestricted.
What browsers are supported?+
The site works in modern browsers that support JavaScript and Web APIs, such as Chrome, Edge, Firefox and Safari.
Is the source code open source?+
The provided information does not mention an open-source license, so the status is unknown.
Summarized by DevHunt from devutilhub.dev · Oct 1, 2026. Details may change; check the official site.
