Generally you want to convert audio into written textual content — whether or not for reviewing assembly notes, transcribing interviews, or archiving lecture recordings. Up to now, this required handbook work or costly companies. At this time, nonetheless, AI-powered transcription instruments make it simpler, quicker, and extra accessible than ever earlier than.
Right here’s a complete information to the perfect free AI instruments for speech-to-text conversion in 2025, full with options, limitations, and pricing.
Otter.ai

Otter.ai is likely one of the hottest AI-powered transcription companies, particularly for professionals who usually attend on-line conferences or conferences. It’s designed to deal with real-time transcription throughout video calls, interviews, and lectures.
🔍 Options:
Automated transcription of speech in real-time
Full integration with platforms like Zoom, Google Meet, and Microsoft Groups
Generates abstract key phrases, speaker detection, and time-stamped notes
Cellular and desktop help for versatile utilization
🆓 Free Plan (2025):
300 transcription minutes per 30 days
Max 30-minute restrict per recording
Restricted export and enhancing capabilities
Otter is good for college students, educators, distant staff, and content material creators who need to deal with the dialog quite than taking notes.
Web site: https://otter.ai
Google Docs – Voice Typing

Google Docs Voice Typing is a very free and browser-based instrument that lets customers dictate textual content straight right into a doc utilizing simply their voice.
🔍 Options:
Out there by way of Chrome and different Chromium-based browsers
No price, no signup, and limitless utilization
Acknowledges voice instructions for punctuation, formatting, and enhancing
Finest for dwell speech, not pre-recorded audio
This instrument is ideal for many who need to shortly take notes, write weblog posts, or create paperwork hands-free.
📌 Necessary Observe: It solely works with dwell audio, so you can not add a voice file.
Web site: https://docs.google.com
Descript

Descript is greater than only a transcription instrument — it’s an entire audio and video enhancing suite powered by synthetic intelligence. It permits customers to edit media by enhancing the textual content model of the transcript, making it a favourite amongst podcasters and video editors.
🔍 Options:
AI transcription in 23 languages
Automated subtitle technology, filler phrase elimination, and silence detection
Edit audio/video by enhancing the transcript — like a Phrase doc
Consists of instruments for display recording, multitrack enhancing, and collaboration
🆓 Free Plan (2025):
60 minutes of transcription per 30 days
Export choices with watermark
Premium enhancing options restricted to paid plans
Descript is good for these producing content material professionally and on the lookout for a extremely visible and collaborative platform.
Web site: https://www.descript.com
Riverside.fm

Riverside.fm is a web-based platform constructed for high-quality audio and video recording, primarily used for podcasts and distant interviews. Its built-in AI transcription engine units it aside with distinctive accuracy.
🔍 Options:
Affords on the spot transcription with out login
Helps codecs: MP3, WAV, MP4, MOV
Can transcribe in over 100 languages
Claims as much as 99% accuracy below good audio situations
🆓 Free Plan (2025):
Free transcription obtainable with restricted instruments
Paid plans add higher-quality recording and enhancing options
This instrument is nice for podcasters, YouTubers, and journalists seeking to save time in post-production.
Web site: https://riverside.fm
Aiko

Aiko is a free iOS app designed to transform each real-time speech and audio information into textual content utilizing superior on-device AI. It’s excellent for college students, journalists, and anybody utilizing an iPhone for note-taking.
🔍 Options:
Integrates with Apple’s Reside Captions
Helps dwell and saved audio transcription
Can generate captions for movies or summarize voice memos
Works offline for a lot of use instances
Aiko is very helpful for recording lectures, interviews, or spontaneous ideas, and its easy design makes it nice for each day use.
Availability: iOS (App Retailer)Value: Utterly free
TurboScribe.ai

TurboScribe.ai is an AI transcription instrument that runs totally in your browser, recognized for its accuracy in noisy environments. It’s a stable various to extra advanced apps for customers looking for simplicity.
🔍 Options:
Distinctive efficiency within the presence of background noise
Works straight out of your browser, no software program required
Preferrred for low-volume speech, whispers, or imperfect audio
Quick turnaround instances for transcriptions
🆓 Free Plan (2025):
Fundamental free tier obtainable for brief transcriptions
Paid plans begin at $10/month for prolonged utilization
TurboScribe is appropriate for customers with difficult audio situations, like subject recordings or noisy places.
Web site: https://turboscribe.ai
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