Software Alternatives, Accelerators & Startups

Smallpdf VS Webhook Relay

Compare Smallpdf VS Webhook Relay and see what are their differences

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Smallpdf logo Smallpdf

PDF document management and conversion suite

Webhook Relay logo Webhook Relay

Webhook Relay receives, transforms and delivers webhooks to any destination โ€” a public URL, a private server, or your localhost. With durable retries your events survive outages, deploys and flaky endpoints, so nothing slips through.
  • Smallpdf Landing page
    Landing page //
    2023-09-21
  • Webhook Relay Enterprise webhook delivery platform
    Enterprise webhook delivery platform //
    2026-07-12
  • Webhook Relay Eagle view for your all your webhooks and their statuses
    Eagle view for your all your webhooks and their statuses //
    2026-07-12
  • Webhook Relay View request timeline, details, status
    View request timeline, details, status //
    2026-07-12

What is Webhook Relay?

Webhook Relay is an enterprise-ready webhook delivery platform โ€” SOC 2 Type II certified, encrypted at rest and in transit, with SSO, audit logs, role-based access and an optional self-hosted deployment (see Enterprise-ready below).

It is a secure tunneling solution that provides:

  • Webhook forwarding - secure, unidirectional by default with optional request/response transformation.
  • Bidirectional tunnels - fast tunnels for direct access to any HTTP service. This is ideal for accessing internal APIs and demoing websites.

Use Cases

Popular use cases:

  • Receive Stripe, Shopify, GitHub and other webhooks on your local machine while developing your application.
  • Allow remote clients to connect to your backend, for example AWS EC2 instances communicating with your MacBook Pro.
  • Forward a single webhook to multiple destinations, for example Slack and GCP PubSub.
  • Transform webhooks, for example Docker push webhook into a Slack message.
  • Demo your website to clients or customers.
  • Access IoT devices and sensors remotely.

Enterprise-ready

Webhook Relay is built for teams that can't afford to miss an event:

  • SOC 2 Type II certified โ€” read the security & tech overview.
  • Encryption everywhere โ€” AES-256 at rest, TLS in transit, plus optional ephemeral buckets that store nothing.
  • SSO & SAML with Okta, Azure AD and more, role-based access and audit logs.
  • 99.99% uptime SLA on high-availability infrastructure, with durable retries for up to 30 days.
  • Durable Delivery - never miss a webhook, retries over hours, days and weeks.

Webhook Relay

$ Details
freemium $9.99 / Monthly
Release Date
2017 September
Startup details
Country
United Kingdom
City
London
Founder(s)
Karolis Rusenas
Employees
1 - 9

Smallpdf features and specs

  • User-Friendly Interface
    Smallpdf provides a clean, intuitive, and easy-to-navigate interface, making it accessible for users of all technical levels.
  • Wide Range of Tools
    Offers a variety of tools for PDF editing, including compressing, merging, splitting, and converting PDFs to other formats.
  • Cloud Integration
    Seamlessly integrates with cloud storage services like Google Drive and Dropbox, allowing users to work directly with their files stored online.
  • Security
    Utilizes strong encryption and deletes files from their servers after one hour, ensuring user data is kept secure and private.
  • Cross-Platform Availability
    Accessible from various devices including desktops, tablets, and smartphones with responsive web design.
  • Free Tier
    Provides a free tier with limited features, which is suitable for occasional or basic users.

Possible disadvantages of Smallpdf

  • Limited Free Features
    The free version only allows for two tasks per day and places restrictions on larger files and advanced features, leading to potential inconvenience for frequent users.
  • Subscription Cost
    The premium subscription can be considered expensive for some users, particularly those who only need occasional PDF edits.
  • File Size Limit
    Even with a premium subscription, there are restrictions on the maximum file size that can be uploaded and processed.
  • Internet Dependence
    Requires an active internet connection to use most of its features, which can be a limitation for users with unreliable or slow connectivity.
  • Privacy Concerns
    Despite strong encryption, some users may still have reservations about uploading sensitive documents to an online service.
  • Limited Customization
    The range of customization options for certain tools may be limited compared to more specialized PDF software.

Webhook Relay features and specs

  • Ease of Use
    Webhook Relay provides an intuitive user interface and straightforward setup process, making it accessible for developers to manage webhooks without extensive configuration or coding.
  • Wide Protocol Support
    It supports a variety of protocols including HTTP/S, MQTT, and WebSockets, enabling flexibility in integration with different types of applications and platforms.
  • Security Features
    The platform includes features like IP whitelisting, bearer token authentication, and end-to-end encryption to ensure secure transfer of data and restricted access.
  • Real-time Data Forwarding
    Webhook Relay offers real-time data forwarding capabilities, ensuring timely delivery of webhook events to the intended destination.
  • Scalability
    It is designed to handle a large number of webhooks efficiently, making it suitable for businesses with heavy data flow requirements.
  • Durable Delivery
    Automated retries over minutes, hours and weeks.
  • Webhook Throttling
    Don't let your servers get overloaded, you can choose a stable rate that the webhooks will be delivered to your server

Analysis of Smallpdf

Overall verdict

  • Smallpdf is a reliable and efficient tool for managing PDF documents, suitable for both casual users and professionals. Its combination of versatility, ease of use, and security features makes it a strong contender in the realm of online PDF services.

Why this product is good

  • Smallpdf is considered good because it offers a wide range of PDF tools that are easy to use and accessible online. It provides functionalities such as PDF conversion, compression, editing, and signing, all within a user-friendly interface. This makes it an ideal choice for both individuals and businesses looking for efficient document management solutions. Additionally, it emphasizes security by ensuring encrypted file transfers, which is crucial for handling sensitive information.

Recommended for

  • Individuals who frequently work with PDFs and need a straightforward tool for conversions, compressions, or edits.
  • Students who need to annotate and organize their study materials in a PDF format.
  • Professionals who require a reliable tool for signing documents and collaborating with team members remotely.
  • Businesses looking for secure document management solutions with the flexibility of online access.

Smallpdf videos

smallpdf tutorial video

More videos:

  • Review - Smallpdf Review
  • Tutorial - Smallpdf | How to do Unlimited Free Conversions ? | Hack for Smallpdf | Bypass limit of 2 conversion

Webhook Relay videos

No Webhook Relay videos yet. You could help us improve this page by suggesting one.

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Category Popularity

0-100% (relative to Smallpdf and Webhook Relay)
PDF Tools
100 100%
0% 0
Webhooks
0 0%
100% 100
PDF Converter
100 100%
0% 0
Localhost Tools
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Smallpdf and Webhook Relay

Smallpdf Reviews

Best Free Alternatives to Adobe Acrobat in 2026
Smallpdf is a well-known online PDF platform with a clean interface. It works entirely in the browser and integrates with Google Drive and Dropbox, making it convenient if you store files in the cloud. The free tier limits you to two tasks per hour and adds a watermark on some output files. Files are uploaded to Smallpdf's servers for processing.
Best Online Image Converters in 2026: Docpose.cloud Leads the Pack
Users highlight Docpose.cloudโ€™s reliabilityโ€”no failed conversions even on rare formats. CloudConvert gets praise for quality tweaks but frustrates with daily resets. iLoveIMG is loved for extras like AI, but free limits irk. Smallpdf suits PDF-image hybrids, less pure images. Convertio is straightforward but caps freebies quick.
Source: fileproinfo.com
Ever wondered why bank statements are always in PDF?
Platforms like iLovePDF and Smallpdf are among the most popular choices. They do a decent job for simple PDFs, but I quickly realized a few issues:
Source: medium.com
Top 10 PDF Converters for converting to or from PDF effortlessly
Smallpdf is one of the most well-known PDF converter tools online. Offering a simple, user-friendly interface, it allows users to convert files to and from PDF without any hassle. Smallpdf supports over 18 file types and integrates with Google Drive and Dropbox for easy cloud storage access.
The 13 Best Free PDF Editors (February 2024)
One of the quickest ways to add images, text, shapes, or your signature to a PDF is with Smallpdf. I find it extremely easy to use for those things, but I opt for one of the editors that top this list if I need to edit the text because this one won't do it for free.

Webhook Relay Reviews

We have no reviews of Webhook Relay yet.
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Social recommendations and mentions

Based on our record, Smallpdf should be more popular than Webhook Relay. It has been mentiond 38 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Smallpdf mentions (38)

  • OpenDataLoader: Safe, Open, High-Performance โ€” PDF for AI
    According to statistics from smallpdf.com, by 2025, there will be a massive 2.5 trillion PDF documents stored worldwide, and 290 billion new PDF documents will be created every year. - Source: dev.to / 7 months ago
  • Stirling-PDF: local web application to perform various operations on PDFs
    Smallpdf [1] probably deserves a mention here. Not OSS and not self-hosted, but Iโ€˜ve used it occasionally and it has always worked really well. When I was running an agency, we inherited their first office โ€“ very cool folks. [1] https://smallpdf.com/. - Source: Hacker News / over 2 years ago
  • Looking fore college ruled template to print
    And use this one to merge two single-page pdf to make a double side page. Source: over 2 years ago
  • PDF to Excel without O365/Adobe Acrobat?
    I don't have Office 365 for the "Get Data" option, nor do I have Adobe Acrobat. I've tried the smallpdf website but it came out a mess, possibly because my original spreadsheet had highlighted rows and lots of text in some of the cells. Source: about 3 years ago
  • 5 tips to improve your SaaS user onboarding
    Examples of companies doing this well: - SmallPDF users can convert or compress a limited number of files without an account โ€” turning users into advocates and customers once paid use cases comes along; - Freshline uses interactive product demos to help users self-educate and understand the value of their features, without a paywall or registration;. Source: over 3 years ago
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Webhook Relay mentions (7)

  • RudderStack: How Pachyderm Pipelines Help Parse Customer Event Data
    Apart from customer events, Pachyderm collects data from Pachyderm Hub, its SaaS platform. This data mainly includes the customers' workspace usage details and other metrics related to the platform usage and performance. Pachyderm clusters (which host both their open-source and enterprise offerings) also generate a large chunk of the workspace usage data. This data is processed by Webhook Relay and streamed... - Source: dev.to / over 4 years ago
  • Self-hosted business intelligence with Metabase
    Webhook Relay account - will be used to expose the Metabase to the internet, so we can access it. - Source: dev.to / over 4 years ago
  • Manage your meetings like a boss with self-hosted calender
    If you don't have a static IP or your network is behind a CGNAT, you can use https://webhookrelay.com instead. We will be providing a tutorial on that setup as well. - Source: dev.to / almost 5 years ago
  • Best self hosted micro blog?
    What's good about Hugo is really fast build times, previously I used both hexo.io and https://vuepress.vuejs.org/ but while vuepress is nice to start with it's nearly impossible to finish the website due to lack of features. Hexo is also nice but their templating language is not always intuitive (my hexo based website: https://webhookrelay.com/). Source: almost 5 years ago
  • Free for dev - list of software (SaaS, PaaS, IaaS, etc.)
    Webhookrelay.com โ€” Manage, debug, fan-out and proxy all your webhooks to public or internal (ie: localhost) destinations. Also, expose servers running in a private network over a tunnel by getting a public HTTP endpoint (https://yoursubdomain.webrelay.io <----> http://localhost:8080). - Source: dev.to / almost 5 years ago
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What are some alternatives?

When comparing Smallpdf and Webhook Relay, you can also consider the following products

iLovePDF - Premium online PDF tool set

ngrok - ngrok enables secure introspectable tunnels to localhost webhook development tool and debugging tool.

Adobe Acrobat DC - Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.

Webhook.site - 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.

Sejda - Split, merge and other powerful PDF tools.

Pagekite - Bring your localhost servers on-line.