
Uploadcare
Uppy
Cloudinary
Uploader Window
CarrierWave
CloudExplorer
WeTransfer
Simple file uploader and robust APIs for uploading, transforming, and delivering any file into your app. Filestack is a collection of tools and powerful APIs that make it simple to upload, transform, and deliver content.

The modern platform for creating, sharing, and collaborating on AI prompts. Advanced version control and real-time testing.

Which is more popular?
Based on our record, Filestack seems to be more popular. It has been mentioned 6 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | filestack.com | diffyn.com |
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| Company | 2012 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Filestack is a cloud-based file management platform that provides tools for uploading, transforming, and delivering files in web, mobile, and desktop applications. Its features include a picker UI, which allows users to upload files from their local computers and various external sources, and the...
No description of Diffyn yet.
What each product offers, as listed by its team.


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
Walkthroughs and reviews on video.
Filestack Tutorial Series: Basic Filestack Setup
More videos
The Ultimate Prompt Tool for Creators – Visualize & Organize with Diffyn
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Filestack and Diffyn.
Diffyn's answer:
Addresses workflow and change management on LLM prompts, provide teams with traceability and visualization of tests across multiple models, provide deeper understading into efficiency of these prompts.
Diffyn's answer:
Diffyn is the platform that specializes on both change management and multi-model analysis.
Diffyn's answer:
React, Next.js, POSTGRESQL
Diffyn's answer:
Professionals incorporating LLMs or AI tools in their workflow and wants to keep track of changes and test their prompts.
Diffyn's answer:
I started working on Diffyn when I notice that prompting has become an essential part of work across many industries. While there are version control platofrms like github, they are not designed for just prompt management are can be overkill such applications, it is also not integrated natively with various LLMs and relevant tools for users to validate ideas and visualise results properly.
Share your experience with using Filestack and Diffyn. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


This guide walks through how to implement image captioning using Filestack’s file picker. You can try it yourself in the interactive demo below, then copy the code into your own project. - Source: dev.to / 10 months ago
You’ve probably run into this situation before: your File Picker works fine with local uploads, Google Drive, and Dropbox, but your users need to pull files from somewhere else. Maybe it’s your company’s internal DAM, a headless CMS, or... - Source: dev.to / 10 months ago
Building an application that accepts user content is a standard requirement today. Whether you are running a classroom management tool or a print-on-demand shop, you need to accept files. However, accepting a file in your file uploader... - Source: dev.to / 10 months ago
Tracking Diffyn since Jun 2025.
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