OpenAI
ChatGPT
Gemini
Claude AI
Claude by Anthropic
Hugging Face
DeepSeek
Eden AI
Parsistent
Reqbin
HTTPie
Hoppscotch
Postman
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: - CSS Selector Tester — test selectors against live HTML - XPath Tester — evaluate XPath expressions - Regex Tester — test patterns with match highlighting - JSON Beautifier & Minifier - Diff Checker — compare two texts - Hash Generator — MD5, SHA-1, SHA-256, SHA-512 - Encoder / Decoder — Base64, URL encoding
No account required. Dark/light theme. English & Russian UI.
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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.
Based on our record, OpenAI seems to be more popular. It has been mentiond 400 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Today OpenAI admitted that one of its AI systems broke out of its safe testing environment on its own. Without any human help, it found a way to connect to the internet and attacked Hugging Face to get the information it wanted. 😱. - Source: dev.to / about 1 month ago
OpenAI introduced GPT-Live on July 8, 2026 as a new generation of voice models for more natural human-AI interaction. Real-time voice demos make latency visible. Production interfaces also need to make authority visible: who is speaking, who is listening, and what happens after an interruption? - Source: dev.to / about 2 months ago
Provider-side metadata. Both major providers expose per-user tagging. OpenAI accepts a user parameter on the Chat Completions and Responses APIs, and the OpenAI Usage API (launched December 2024) supports group_by=user_id for programmatic per-user cost breakdown. The Costs endpoint requires an admin key. Anthropic accepts metadata.user_id on every API request, capped at 256 characters and explicitly not for PII.... - Source: dev.to / 3 months ago
For solo founders who don't run their own gateway: use Claude direct for highest quality, OpenAI for proven reliability, or wire up multi-provider routing via something like Prism (or build your own — see Prism's architecture once it's published). - Source: dev.to / 3 months ago
Composer 2 originally gained attention because Cursor delivered strong coding performance at dramatically lower token costs than frontier proprietary models. Cursor positioned it as a cheaper alternative to systems from Anthropic and OpenAI. (Cursor). - Source: dev.to / 4 months ago
ChatGPT - ChatGPT is a powerful, open-source language model.
Reqbin - Online API testing tool for REST & SOAP APIs. Test your API by making API calls directly from your browser.
Gemini - Gemini, formerly known as Bard, is a generative artificial intelligence chatbot developed by Google. Based on the large language model (LLM) of the same name, it was launched in 2023 in response to the rise of OpenAI's ChatGPT.
HTTPie - CLI HTTP that will make you smile. JSON support, syntax highlighting, wget-like downloads, extensions, and more.
Claude AI - Claude is a next generation AI assistant built for work and trained to be safe, accurate, and secure. An AI assistant from Anthropic.
Hoppscotch - Open source API development ecosystem