Webhook Test Inspector: Free Browser-Based Webhook Payload Inspector
Inspect and validate webhook payloads instantly — right in your browser. No server uploads, no signup, no limits.
Why Another Webhook Tool?
webhook.site and similar services are great for receiving webhooks, but when you need to inspect incoming payloads, you're forced to upload your data to their servers. For sensitive APIs, that's a dealbreaker.
Most tools also:
- Limit payload size on free tiers
- Require signup for extended features
- Delete your history after 24 hours
- Only show raw text, no formatting
This tool solves all three problems with a single-page app that runs entirely in your browser.
Key Features
100% Client-Side — Your webhook payloads never leave your device. No API calls, no tracking, no data collection.
Beautiful JSON Formatting — Paste any webhook payload and see it instantly formatted with key fields automatically extracted.
No Limits — Unlike webhook.site's 100 KB free tier, there's no size limit. Inspect payloads of any size.
Zero Signup — No account, no email, no trial. Just paste and inspect.
5 Built-in Examples — GitHub, Stripe, Slack, GitLab, and CircleCI webhook samples to get started instantly.
Try It
https://tools.jackgreen.top/webhook-test-inspector-as-a-webhook/
How It Works
- Paste your webhook JSON payload
- Click "Inspect" or press Ctrl+Enter
- See formatted output with extracted key fields
- Copy the formatted JSON with one click
Handles: any valid JSON — GitHub webhooks, Stripe events, Slack messages, GitLab merge requests, and more.
Built for developers who value their privacy and time.
Top comments (0)