
Charles Proxy
HTTP Toolkit
Fiddler
Requestly
mitmproxy
Surge for Mac
Weer
Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.

Mockaroo
Smock-it
Replica
Data Creator
Generate Data
MockDataGenerator
Generate realistic Salesforce test data with proper relationships and record types in minutes! Direct upload to sandboxes—no CSV wrangling, no production data risks.

Which is more popular?
Based on our record, Proxyman.io seems to be more popular. It has been mentioned 27 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | proxyman.com | universaldatagenerator.com |
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| Company | — | Startup from the United States · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


Modern and Delightful HTTP Debugging Proxy Proxyman is a native, high-performance macOS application, which enables developers to observe and manipulate HTTP/HTTPS requests.
Universal Data Generator creates realistic test data directly in your Salesforce sandbox. Connect via OAuth, select objects, and generate records with proper parent-child relationships - no CSV exports or Data Loader required. Easy! Fast! Done! Key features: - Salesforce integration via OAuth 2.0...
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
Walkthroughs and reviews on video.
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Universal Data Generator
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Proxyman.io and Universal Data Generator.
Universal Data Generator's answer:
UDG is the only test data generator that combines three critical features: direct Salesforce OAuth integration, automatic parent-child record relationships, and schema awareness - all through a no-code web interface. Unlike generic tools that export CSV files, UDG reads your org's metadata (custom objects, record types, picklist values) and creates records directly in your sandbox with proper referential integrity. You select objects, set record counts, and click generate - no Data Loader, no field mapping, no CSV gymnastics.
Universal Data Generator's answer:
UDG vs Mockaroo: Mockaroo is NOT Salesforce specific! It exports CSV files that you then have to load into Salesforce manually. UDG connects directly via OAuth and creates records with linked relationships - no intermediate steps.
UDG vs Snowfakery: Snowfakery requires Python, CLI knowledge, and YAML configuration files. UDG offers the same Salesforce-native benefits through a simple web UI that any admin can use.
USG vs Smock-it: UDG works instantly in any browser. Salesforce CLI, Node.js, and plugin installation needed - just sign up and connect your org. UDG reads your org's metadata automatically - just select objects and click generate. No JSON files needed. UDG automatically detects your custom objects, record types, and picklist values via OAuth. Smock-it requires manual template setup or using the promptify command. UDG automatically detects your custom objects, record types, and picklist values via OAuth. No manual template setup or using the promptify command needed.
UDG vs Data Loader: Data Loader requires you to prepare CSV files, map fields manually, and manage parent-child ID relationships yourself. UDG handles all of this automatically.
Universal Data Generator's answer:
Salesforce professionals who need realistic test data without the technical overhead, fast! - Salesforce Admins populating sandboxes after refresh for testing or training - Salesforce Developers who need data for feature development and QA - Consultants preparing demo environments for client presentations - QA Teams building comprehensive test scenarios with related records The common thread: people who are tired of spending hours manually creating test records or wrestling with CSV files and Data Loader.
Universal Data Generator's answer:
UDG was built by a Salesforce consultant with 10+ years of experience who lived this problem daily. Every sandbox refresh meant hours of tedious work: manually creating Accounts, then Contacts, then Opportunities - or worse, preparing CSV files, mapping fields in Data Loader, and managing ID relationships across multiple imports. Existing tools either required coding skills (Snowfakery), exported to CSV instead of loading directly (Mockaroo), or were expensive AppExchange packages. There was no simple, affordable solution that just worked. UDG was built to solve that specific pain point: connect your sandbox, pick your objects, click generate, done. What used to take hours now takes minutes.
Universal Data Generator's answer:
Share your experience with using Proxyman.io and Universal Data Generator. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Proxyman just like Paw is a native macOS web debugging proxy application. This tool stands as an intermediary or a man-in-the-middle server. With its built-in macOS setup, you can capture, inspect and get around...
Similar to the above-mentioned Paw, Proxyman is a premium native macOS web debugging proxy application.
On the pricing front, Requestly strikes a balance between affordability and functionality. It is an open-source tool, offering freemium to individual developers and affordable pricing plans for team collaboration. We...
We have no reviews of Universal Data Generator yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


I don't have elaborate needs and have used Charles for many years. A few years ago I switched to https://proxyman.com and found it easier to use. - Source: Hacker News / 10 months ago
Network analysis tools like Charles Proxy and Proxyman provide essential debugging capabilities for mobile applications. These tools intercept and analyze all network traffic, enabling detailed inspection of API communications. - Source: dev.to / 12 months ago
Armed with this you could now investigate the raw JSON using HTTP proxying (I like to use ProxyMan for this), and/or talk to the back-end team, see if they've made some changes and are aware of the breakage in the contract between client... - Source: dev.to / about 2 years ago
Tracking Universal Data Generator since Jan 2026.
When comparing Proxyman.io and Universal Data Generator, you can also consider the following products.

HTTP proxy / HTTP monitor / Reverse Proxy
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A realistic data generator to test your app
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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.
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Smock-it is a powerful CLI tool designed to simplify test data generation for Salesforce. A lightweight alternative to Mokraoo, it helps developers and QAs quickly generate, manage, and customize data for seamless testing and streamlined workflows.
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Fiddler is a debugging program for websites.
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Simple way for save articles, stories and web pages for reading: offline, organized and clean...
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