
Proxyman.io
Charles Proxy
mitmproxy
Surge for Mac
Fiddler
Weer
James
Beautiful, cross-platform & open-source tools to debug, test & build with HTTP(S). One-click setup for browsers, servers, Android, CLI tools, scripts and more.

csvbox
OneSchema
Layercode UseCSV
Flatirons Fuse
Ingestro
Impler.io
Datatera.ai
The new standard for data import

Which is more popular?
Based on our record, HTTP Toolkit should be more popular than Flatfile. It has been mentioned 30 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | httptoolkit.com | flatfile.com |
| Pricing | — | |
| Platforms | — | |
| Company | Startup from Spain · 1 - 9 employees | — |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
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
Flatfile is recommended for organizations and teams that frequently need to handle and import large datasets from various sources. It's especially beneficial for software companies, data analysts, and businesses that want to provide their customers with an easy and efficient way to import data into their platforms.
Walkthroughs and reviews on video.
HTTP Toolkit Demo
Flatfile Portal Overview
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using HTTP Toolkit and Flatfile. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


HTTP ToolKit is an open-source tool for debugging. It works with the three main OS and has good features attached to it. Just with a click, it can intercept and view all your HTTP(s). Compared to others, it targets...
HTTP Toolkit supports standard HTTP debugger features including breakpoints & rewriting HTTP(S) traffic, filtering and searching collected traffic, and highlighting & autoformatting for many popular request & response...
For debugging, testing, and building APIs with HTTPs, you can effectively use HTTP Toolkit because it is built for this purpose. Also, this is the reason why it is known as a good Postman alternative for various...
We have no reviews of Flatfile yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


I can add certificates on my unrooted android. That how HTTPToolkit [0] works, it only requires adb, which (thankfully) doesn't trip banking apps. Banking apps can (and do iirc) pin certificates, so a rooted phone adds no risk... - Source: Hacker News / 7 months ago
For my rather simple needs I've been using https://httptoolkit.com free edition, I like that it launches a independent Firefox window on its own for the intercepting so I don't have to touch my working browser or deal with configuring a... - Source: Hacker News / 9 months ago
This one is truly a gem: https://httptoolkit.com It even bypasses SSL pinning on Android using 1 click. - Source: Hacker News / 9 months ago
Created in 2018 by David Boskovic and Eric Crane, Flatfile has since become an all-in-one platform after raising $100 million across multiple investment rounds in six years. It describes itself as the “easiest, fastest, and safest way... - Source: dev.to / about 2 years ago
Not all that curious... https://flatfile.com If you're building a vertical SaaS and want to support import from a file, and don't want to spend time reinventing the wheel, this could be a big win. This would let new users bring in... - Source: Hacker News / about 3 years ago
If you are a software developer, think about how you could add the data import, transformation, and validation functionality to your web app in only a few minutes with your JavaScript and React knowledge using built-in SDK and libraries.... - Source: dev.to / about 3 years ago
When comparing HTTP Toolkit and Flatfile, you can also consider the following products.

Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.
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Spreadsheet importer for your web app, SaaS or API
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HTTP proxy / HTTP monitor / Reverse Proxy
Compare Charles Proxy to HTTP Toolkit or Flatfile:


mitmproxy is an SSL-capable man-in-the-middle proxy for HTTP.
Compare mitmproxy to HTTP Toolkit or Flatfile:
Add CSV import functionality to your app in minutes
Compare Layercode UseCSV to HTTP Toolkit or Flatfile: