
Reqbin
HTTPie
Hoppscotch
Postman
Free online toolkit for web developers: HTTP request tester with proxy support and redirect tracing, regex tester, JSON beautifier, diff checker, CSS/XPath selector tester and more.

Rons CSV Editor
ReCsvEditor
CSV Buddy
dmcsveditor
Rons Data Edit
CSVpad
CSV Explorer
A CSV editor/viewer

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | parsistent.com | moderncsv.com |
| Pricing | ||
| Platforms | — | |
| Company | 2026 | Startup from the United States · 2019 |
| Listed in |
In their own words, as submitted to SaaSHub.


Parsistent is a free online toolkit for web developers and scrapers. Key tool — HTTP Request Tester: - Built-in proxies (HTTP, SOCKS4, SOCKS5) — no need to bring your own - Anti-bot detection: Cloudflare, DataDome, PerimeterX - Redirect chain tracing - Custom headers and request body Other tools:...
Modern CSV is an intuitive editor for tabular data. Its capabilities include: - Multi-cell editing - Quick loading of large files - Filter and sort data - Find/replace data with regular expressions - Analysis tools
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
Modern CSV is recommended for data analysts, data scientists, accountants, and any users who regularly work with large CSV datasets and require a powerful tool with advanced editing and data manipulation capabilities.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Parsistent and Modern CSV.
Parsistent's answer
Built by a solo developer who needed a single place to test proxies, inspect HTTP responses, and debug CSS selectors while building scrapers. All existing tools required accounts or didn't support proxies natively.
Parsistent's answer
Built-in proxies (HTTP, SOCKS4, SOCKS5) are provided for free — no need to bring your own. The HTTP Request Tester automatically detects anti-bot systems (Cloudflare, DataDome, PerimeterX) and traces redirect chains. All tools work without signup.
Parsistent's answer
Unlike Reqbin or HTTPie, Parsistent provides free built-in proxies so you can test requests from different IPs instantly. It also detects anti-bot protection automatically and combines 8+ parsing tools in one place — no account needed
Parsistent's answer
Web developers and data engineers who build scrapers, test APIs, or debug HTTP requests. Also useful for QA engineers testing geo-restricted content and developers learning CSS selectors or XPath.
Parsistent's answer
Next.js 16, TypeScript, Tailwind CSS, Vercel (hosting). Server-side proxy support via https-proxy-agent and socks-proxy-agent.
Share your experience with using Parsistent and Modern CSV. For example, how are they different and which one is better?
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CLI HTTP that will make you smile. JSON support, syntax highlighting, wget-like downloads, extensions, and more.
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CSV Buddy helps you make your CSV files ready to be imported by a variety of software.
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