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ExtendsClass's JSON generator allows to generate random JSON data from a template.

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Live captions for YouTube, Twitch, and Kick
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Website, pricing, platforms and company facts side by side.
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| Website | extendsclass.com | echolocalize.xyz |
| Pricing | ||
| Company | 2019 | Startup from Turkey · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


This free online tool allows to generate JSON dataset. You can generate multiple JSON files exported to a zip archive. No limits. No registration.
Echo Captions is a Chrome extension that adds bilingual live captions and instant translation to YouTube videos, YouTube Live, Twitch, and Kick. It helps viewers follow videos and live streams in their own language while keeping the original line visible when needed. Echo supports translated...
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Echo Captions Demo - Live Captions for YouTube, Twitch, and Kick
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As answered by people managing ExtendsClass JSON Generator and Echolocalize.xyz.
Echolocalize.xyz's answer:
Echo Captions is for viewers who watch YouTube videos, YouTube Live, Twitch, or Kick content in languages they do not fully understand. This includes language learners, international stream viewers, tutorial watchers, podcast listeners, and people who want translated captions without leaving the page.
Echolocalize.xyz's answer:
Echo Captions started from a simple problem: there is a lot of useful and entertaining content on YouTube, Twitch, and Kick, but it is easy to miss what is being said when the video or stream is in another language. Echo was built to make that content easier to follow with translated captions and bilingual subtitles directly on the page.
Echolocalize.xyz's answer:
Echo Captions is built as a Chrome extension for supported video and live streaming platforms. It uses browser extension technologies, speech-to-text, translation, and customizable subtitle rendering to display readable captions directly on top of the video experience.
Echolocalize.xyz's answer:
Echo Captions is still an early product, so it does not have large public customer names to share yet. It is currently designed for individual viewers who watch international videos, live streams, tutorials, podcasts, and gaming content.
Echolocalize.xyz's answer:
Echo Captions focuses on live video platforms where subtitles are often missing or hard to follow. It supports YouTube videos, YouTube Live, Twitch, and Kick, and can show the original line together with the translation. Viewers can also customize the subtitle style separately for YouTube and live stream platforms.
Echolocalize.xyz's answer:
Echo Captions is built for people who watch real videos and live streams, not only pre-recorded learning content. It combines live captions, instant translation, bilingual subtitles, and subtitle style controls in one Chrome extension. It is especially useful for viewers who follow international streams, tutorials, podcasts, and gaming content.
Share your experience with using ExtendsClass JSON Generator and Echolocalize.xyz. For example, how are they different and which one is better?
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