
hookVM
Webhook.site
ngrok
Hooklistener
Webhooks.cc
Hookmetry
RequestBin
Debug webhooks on localhost in seconds. Receive, inspect, edit, and replay webhooks directly to your localhost using a CLI and WebSockets. No tunneling hacks. Free to start.

DocRaptor
pdflayer
PDFCrowd
HTML PDF API
HTML2PDF.fr
Api2Pdf
Docamatic
Convert any HTML documents to high-fidelity PDF using a single POST request

Which is more popular?
Based on our record, PDFShift seems to be more popular. It has been mentioned 2 times since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | hookreplay.dev | pdfshift.io |
| Pricing | ||
| Platforms | — | |
| Company | — | 2018 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of HookReplay.dev yet.
A powerful, fast and high-fidelity HTML to PDF conversion API. Code examples and package ready for Node, Python and PHP developers. Advanced features are available, including watermarking and encryption!
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
PDFShift is recommended for web developers, software engineers, and companies that require automated HTML to PDF conversion as part of their applications or websites. It is particularly suitable for those looking for an API-based solution to integrate easily into their existing workflows and systems.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing HookReplay.dev and PDFShift.
HookReplay.dev's answer
Still early — just launched. Currently used by indie developers and small teams debugging Stripe and Shopify integrations. No big logos yet. Focused on building a great product first.
HookReplay.dev's answer
With ngrok, every code change means triggering another webhook. Add a log? Trigger again. Set a breakpoint? Too late, it timed out. Trigger again. With HookReplay, you trigger once. Then replay 100 times while you debug. Same webhook. Same payload. Unlimited attempts to get your code right. That's not a small difference — it's hours saved per debugging session.
HookReplay.dev's answer
Developers who integrate third-party webhooks Stripe, Shopify, GitHub, Twilio, Paddle, etc. Basically anyone who's ever clicked "Send test webhook" more times than they'd like to admit.
HookReplay.dev's answer
11pm on a Sunday. A customer's Stripe payment went through, but their subscription wasn't created. I needed to debug the webhook handler. Set up ngrok. Triggered a test payment. Added a log statement. Triggered again. Set a breakpoint — webhook timed out before I could step through. Triggered again. Changed the URL in Stripe because ngrok restarted. Triggered again. Three hours later, I found a typo in my event type check. I remember thinking: I just re-triggered the same webhook 40+ times. Why can't I just capture it once and replay it until I find the bug? That's the moment HookReplay was born. The tool I wished existed that night.
HookReplay.dev's answer
ASP.NET Core for the backend, PostgreSQL for storage, WebSockets for real-time forwarding to the CLI. The CLI is built in .NET and distributed via npm — runs on macOS, Windows, and Linux. Nothing fancy. Boring tech that works.
HookReplay.dev's answer
Three things most webhook tools don't do: 1- Replay the same webhook unlimited times 2- Edit payloads before replaying (test edge cases) 3- Keep a full history of every webhook received HookReplay does all three, plus real-time forwarding like ngrok.
Share your experience with using HookReplay.dev and PDFShift. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking HookReplay.dev since Jan 2026.
Https://pdfshift.io A simple API that converts HTML documents to PDF or images. - Source: Hacker News / about 2 months ago
PDFShift – A cloud API for converting HTML and URLs into PDFs, powered by a headless Chrome backend with support for modern CSS and JavaScript. - Source: dev.to / 9 months ago
When comparing HookReplay.dev and PDFShift, you can also consider the following products.

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As the only API powered by the Prince HTML-to-PDF engine, DocRaptor provides the best support for complex PDFs with powerful support for headers, page breaks, page numbers, flexbox, watermarks, accessible PDFs, and much more
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Instantly generate a free, unique URL and email address to test, inspect, and automate (with a visual workflow editor and scripts) incoming HTTP requests and emails.
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Free, powerful HTML to PDF API supporting both URL and raw HTML conversion. Unlimited document size, lightning-fast and compatible PHP, Python, Ruby, etc.
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ngrok enables secure introspectable tunnels to localhost webhook development tool and debugging tool.
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Pdfcrowd is a Web/HTML to PDF online service. Convert HTML to PDF online in the browser or in your PHP, Python, Ruby, .NET, Java apps via the REST API.
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