
PixScript
Descript
Auto Subtitle Generator
EasySub
GeekLink.dev
Kapwing
Otter.ai
Captioner is an AI subtitle generator and editor for your videos. Add accurate subtitles to your videos and save hours of work. Upload your videos and edit right on your browser.

Mockaroo
JSON Generator
MockTurtle.net
ExtendsClass's JSON generator allows to generate random JSON data from a template.

Which is more popular?
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | captioner.io | extendsclass.com |
| Pricing | ||
| Platforms | — | |
| Company | Startup from Singapore · 1 - 9 employees · 2024 | 2019 |
| Listed in |
In their own words, as submitted to SaaSHub.


Add Accurate Subtitles to your Videos Add accurate subtitles to your videos and save hours of work. Upload your videos and edit right on your browser. Translate your subtitle into another language with a single click. Get subtitle file for your YouTube video or download the video with subtitles...
This free online tool allows to generate JSON dataset. You can generate multiple JSON files exported to a zip archive. No limits. No registration.
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
No analysis of ExtendsClass JSON Generator yet.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Captioner.io and ExtendsClass JSON Generator. For example, how are they different and which one is better?
When comparing Captioner.io and ExtendsClass JSON Generator, you can also consider the following products.

Paste a YouTube, TikTok, or Instagram URL and get the full transcript with timestamps. Export as SRT subtitles, plain text, or PDF. AI summaries, rewriting, and 50+ language translation built in. Free to start.
Compare PixScript to Captioner.io or ExtendsClass JSON Generator:
A realistic data generator to test your app
Compare Mockaroo to Captioner.io or ExtendsClass JSON Generator:

Text-based audio editor and automated transcription
Compare Descript to Captioner.io or ExtendsClass JSON Generator:
Create mock and sample JSON using a powerful template syntax
Compare JSON Generator to Captioner.io or ExtendsClass JSON Generator:

Generate, edit, style, and export accurate video subtitles with no watermark—even on the free plan.
Compare Auto Subtitle Generator to Captioner.io or ExtendsClass JSON Generator:

Generate realistic random JSON data through a simple and intuitive GUI.
Compare MockTurtle.net to Captioner.io or ExtendsClass JSON Generator: