AI audio summarizer
Upload a podcast, meeting or lecture — get a transcript and an AI summary grounded in it, so every claim can be checked against what was actually said.
By Anubhav Jain, Trustample founder · Updated July 2026 · Claims verified against the live product
Free: 60 min per 30 days, files up to 30 min / 50 MB · Paid plans: 10 to 100 hrs, files up to 2 GB. Big video? Upload just its audio track — same transcript, much faster upload.
Encrypted in transit · audio & video auto-delete in 30 days · never used to train AI
Optional settings
Set this for the most accurate result on quiet or mixed audio.
Get a second copy translated into another language (Pro).
Uncommon words the AI might misspell — list them so they come out right.
An AI audio summarizer takes a recording you don't have time to listen to — a two-hour podcast, a missed meeting, a week of lectures — and gives you the substance in a few paragraphs. Trustample does it in two visible steps: the audio becomes a full transcript first, then the AI summarizes that transcript. Podcasts, meetings, lectures, interviews and voice notes all work; upload the file and the rest happens in the background.
The transcript-first design is the part worth caring about. A summary with no transcript behind it has to be taken on faith — you can't tell a faithful compression from a confident guess. Here, every summary is grounded in a transcript you can open next to it: spot-check a surprising claim, click the source line to hear that exact moment, and pull real quotes instead of paraphrases. If a summary is going into your show notes, your meeting minutes or your study notes, checkable beats fluent.
The honest pricing: transcription itself starts free (60 minutes a month, no credit card), and AI summaries are part of the paid plans' AI actions — Basic ($12/mo) includes 100 per cycle, Pro ($19/mo) includes 200 plus chat, so you can ask the recording follow-up questions. Running a language model on hour-long transcripts genuinely costs money; we'd rather gate it cleanly than fund it with your data.
How it works
- 1Upload the audio or video — podcast episode, meeting recording, lecture.
- 2The transcript arrives in minutes; skim it or fix names inline if you like.
- 3Click Summarize (Basic/Pro) — the summary is stored with the transcript, quotes and all.
Frequently Asked Questions (FAQs)
Can it summarize a podcast episode?
Yes — that's the flagship use: upload the episode file and get a summary plus key takeaways for show notes, grounded in the episode's actual transcript. Creators use the same flow across a back catalog (Pro handles files up to 6 hr 40 min); listeners use it to decide whether a two-hour episode earns the full listen.
Is the AI summarizer free?
The transcription half is — 60 minutes a month, no card. Summaries need Basic or Pro because language-model processing has real per-use costs. What you get free is still the hard part done: a searchable transcript you can skim in minutes.
How accurate are AI summaries?
Good on clear structure, weaker on nuance — like any AI summary. The difference here is that you can verify: the transcript sits beside the summary, so a surprising claim takes seconds to check against the source. Treat the summary as the map, not the territory; for anything you'll act on or publish, check the line.
Why not just paste the transcript into a chatbot?
You can — the export is yours. Keeping it in one place buys you: no length-limit juggling on long episodes, the summary stored permanently with its transcript, timestamps that link claims to audio, and your recording staying inside one privacy policy (encrypted, auto-deleted, never used for training) instead of two.
Can I ask the recording follow-up questions?
On Pro, yes — chat with any transcript ("what did they say about pricing?") or ask questions across up to four transcripts at once from the dashboard. Answers come from your transcripts, not the open internet.
Can it summarize a YouTube video?
Your own videos, yes — upload the file (creators can download their originals from YouTube Studio) and the transcript-plus-summary flow works exactly the same. Trustample doesn't take links or fetch anyone's content; if you want URL-based summaries of other people's videos, we're honestly not that tool.
Related tools
Transcribe a podcast episode in minutes — show notes, quotes, SEO pages and captions from one upload.
Meeting TranscriptionStop taking notes and start participating — upload the recording and get the minutes written for you.
Lecture TranscriptionRecord the lecture, upload it, get your lecture transcript — a 25-minute recording becomes searchable notes in about 2 minutes.
See all converters on the transcription tools page.
Browse all transcription tools.