
Beeceptor
WireMock
MockServer
MockAPI
Postman
WireMock Cloud
Requestly
Mockoon is the easiest and quickest way to design and run mock REST APIs. No remote deployment, no account required, free and open-source.

JSONFormatter.org
Decodebase64.io
CyberChef
All Over Tools
Image to Base64 Converter
DevToys
Base64.ai
Base64 Encode and Decode Online

Which is more popular?
Based on our record, Mockoon seems to be more popular. It has been mentioned 35 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | mockoon.com | base64encode.dev |
| Pricing | ||
| Platforms | — | |
| Company | Startup from Luxembourg · 1 - 9 employees · 2017 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Mockoon yet.
Need to convert text quickly? Use this free Base64 Encode & Decode online tool to encode or decode data instantly. Fast, secure, and works directly in your browser.
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
Mockoon is recommended for developers, QA testers, and software teams who require fast and reliable mock APIs for testing or development, as well as those who prefer a lightweight, standalone solution that can be run locally on their machines.
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Mockoon and Base64Encode.dev. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Email: guillaume[at]1kb.software While bootstrapping http://mockoon.com I'm freelancing to keep the lights on. - Source: Hacker News / over 1 year ago
Mockoon: This open-source desktop application offers a fast setup with a user-friendly interface. It excels at creating customizable responses and supports multiple environments without requiring complex configuration. Mockoon is... - Source: dev.to / over 1 year ago
Mocking: Help your front-end team discover integration or design issues Early in the API development process by mocking your API endpoints. You can either due this directly from your gateway, or use a service like Mockoon. - Source: dev.to / over 1 year ago
Tracking Base64Encode.dev since Jan 2026.
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