
JSON Formatter & Validator
DevTools Advanced
JSONFormatter.org
FreeFormatter
JSON Editor Online
SmallDevTools
TheDevTools
FOSS tools for developers

Pocket Universe
Revoke.cash
Web3Antivirus.io
phishield
Signed Pages
Wallet Guard App
Protect your Web3 assets before you sign. Messiah scans sites, intercepts wallet signing requests, and checks addresses — detecting phishing and drainers in real time.

Which is more popular?
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | developertools.tech | onesavie.com |
| Pricing | ||
| Company | — | Startup from Taiwan · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of DeveloperTools.Tech yet.
Messiah is a browser extension that protects your Web3 assets by detecting threats in real time — before you sign anything. Site Scan — Run a scan before connecting your wallet. Messiah extracts the page structure, visible text, and external resources, then runs an AI analysis to detect: Phishing...
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing DeveloperTools.Tech and Messiah.
Messiah's answer:
Messiah protects the exact moment a user gets deceived. Beyond domain blocklists, it:
Messiah's answer:
Most tools rely on blocklists or transaction simulation alone. Messiah combines both with AI content analysis:
We benchmarked it against 100 live scam sites (90% detection) and published the gaps we found — so you know exactly what it catches and what it doesn't.
Messiah's answer:
Messiah's answer:
Messiah was born from the $1.5B Bybit hack — the largest crypto theft in history, executed through a compromised front-end that made signers approve something they couldn't see.
At ETHGlobal Taipei 2025, our team built a proof-of-concept recreating that exact attack: a simulated wallet front-end with injected malicious logic, and an AI pipeline that analysed the front-end JavaScript to catch it. The project won the HashKey Chain Award (On-Chain Infrastructure Compliance Innovation) and the Celo L2 Pool Prize.
We then joined Cyberport's Web3 Pilot Scheme and spent months turning the PoC into a real product — benchmarking it against 100 live scam sites and publishing what it caught and what it missed — before launching on the Chrome Web Store.
Messiah's answer:
Messiah's answer:
Share your experience with using DeveloperTools.Tech and Messiah. For example, how are they different and which one is better?
When comparing DeveloperTools.Tech and Messiah, you can also consider the following products.

The JSON Formatter was created to help with debugging.
Compare JSON Formatter & Validator to DeveloperTools.Tech or Messiah:


A collection of developer tools in one place in your browser
Compare DevTools Advanced to DeveloperTools.Tech or Messiah:

To use Ethereum tokens in DeFi you have to grant an allowance to spend tokens on your behalf.
Compare Revoke.cash to DeveloperTools.Tech or Messiah:

Online JSON Formatter and JSON Validator will format JSON data, and helps to validate, convert JSON to XML, JSON to CSV. Save and Share JSON
Compare JSONFormatter.org to DeveloperTools.Tech or Messiah:

Navigate Web3 safely with our AI- and human-powered extension that audits smart contracts and domain names on the go, detects if they carry suspicious logic or are associated with malicious activity, and sends you corresponding alerts.
Compare Web3Antivirus.io to DeveloperTools.Tech or Messiah: