Sumble

Turn Long Audio into Instant Highlights

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June 27, 2025 ๐Ÿš€ Easily find key highlights from your audio or transcript. Would love your feedback!

Hey Indie Hackers! ๐Ÿ‘‹

I'm excited to soft-launch a project Iโ€™ve been working on โ€” Sumble ๐ŸŽ‰

๐ŸŽฏ What it does:

Sumble is a simple tool that lets you upload an audio or transcript file, and it uses AI to automatically generate:

- The most important highlights

- Timestamped summaries (in YouTube chapters format)

- Key quotes and moments

Perfect for content creators, podcasters, marketers, or anyone working with long recordings.

๐Ÿ”— Try it here: https://sumble.space/

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๐Ÿ’ก Why I built this:

I often find myself spending too much time scrubbing through interviews, podcasts, or webinar replays just to find the key moments. I figured there had to be a faster way โ€” and thatโ€™s how Sumble started.

Itโ€™s still early days, so Iโ€™d really appreciate:

- Any feedback on the idea, copy, or UI

- Suggestions for features or use cases I might be missing

- Whether youโ€™d use something like this yourself

Bonus: If you upload a file and try it out, let me know how it went! Iโ€™m happy to return the favor and check out your project too.

Thanks, and looking forward to hearing your thoughts! ๐Ÿ™

โ€” Devi

1 Comment

  1. 1

    Hi! I'm sure this is a great tool but I wasn't able to use it with the files I have stored. They were too large. How many minutes of audio usually fit? Generating YouTube chapters just from audio would only be useful for certain users (and very useful for them!) but putting audio on Youtube isn't something everyone does. Unless they have detached audio from a video and will reattach it after. I'm wondering what GPT it is using.
    It would be cool if your tool could accept video input and just use the audio from it. I have a podcast repurposing service I offer and always scoping out what's on the market. I primarily work with video.
    Keep up the great work!

About

My goal is to make content creation and editing smarter, especially for YouTubers, podcasters, and solo creators.