musely
51 languages supported

Speech to Text Online — Convert Spoken Audio Into Written Text

Upload any audio or video and convert speech to text online. 97.3% accuracy in 51 languages with smart punctuation and paragraph breaks.

Last updated April 23, 2026
97.3%Transcription Accuracy
51Audio Languages
48Output Languages
2hrsMax File Length
What is Musely Speech to Text Online?

Musely Speech to Text Online is an AI speech to text online tool that converts audio or video recordings into clean, formatted text. Powered by Seed-ASR 2.0, it achieves 97.3% transcription accuracy across 51 audio languages with 48 output languages and a bilingual mode for translated content. Direct speech-to-text conversion with adjustable punctuation, cleanup, and formatting for each content type. Choose from 4 tool-specific presets tuned for this exact use case, configure formatting options, and export to Markdown, DOCX, or plain text — ready to paste into your workflow.

Technical Specs

Under the Hood

🤖ASR Engine

ModelSeed-ASR 2.0
Accuracy97.3% across 51 languages
Audio Languages51 with auto-detection for Chinese / English
Max File Length2 hours per recording

Tool Output

PresetsStandard Text / Voice Memo to Text / Lecture or Talk / Podcast or Interview
Output Languages48 with bilingual mode toggle
Export FormatsMarkdown / DOCX / Plain Text
Processing StrategySequential with 10s chunk overlap
How It Works

Use Musely Speech to Text Online in 3 Steps

1

Upload Your File

Drag and drop any audio or video file into Musely Speech to Text Online. Supports MP3, MP4, WAV, M4A, MOV, AAC, FLAC, OGG, WEBM, and 10+ other formats. Files up to 2 hours are supported.

2

Choose a Preset and Configure

Pick from 4 presets (Standard Text, Voice Memo to Text, Lecture or Talk, Podcast or Interview). Set audio language, output language, and add custom instructions or vocabulary. Toggle bilingual mode for translated output with the original alongside.

3

Download the Result

Review the generated text with applicable speaker attributions, timestamps, or structure. Download as Markdown, DOCX, or plain text. Copy to clipboard for quick pasting into your documents, Slack, or CMS.

Use Cases

Who Uses Musely Speech to Text Online

Voice Note-Taker

Turn voice memos into polished text

I dictate most of my ideas as voice memos. The Voice Memo preset cleans them into readable text and even pulls out my to-dos. I save roughly an hour a day on note-taking.

University Lecturer

Convert lecture recordings into student notes

I upload my 90-minute lectures. The Lecture preset structures them with headings and a key-takeaways section. My students love having the structured text alongside the recording.

Podcaster

Podcast audio to formatted show text

The Podcast preset separates the intro, segments, and outro. I edit minimally and publish the transcript with each episode. My Google traffic doubled after I started doing this.

UX Researcher

User interview audio to speaker-labeled transcript

The Interview preset labels speakers and adds timestamps. I can jump back to the audio at any quote. The 97.3% accuracy means minimal cleanup on my end.

Language Learner

Convert foreign-language speech to bilingual text

I select Spanish as the audio language and toggle bilingual mode. I get original Spanish plus English translation side-by-side. It replaced a $20/month language app for me.

Content Writer

Dictate article drafts and get clean written text

I dictate first drafts while walking, then upload the recording. Musely converts to clean prose with paragraph breaks. I save about 30 minutes per article.

Comparison

Musely vs. Other Speech to Text Online Tools

FeatureMuselyOtter.aiRevTrint
Transcription Accuracy✓ 97.3% (Seed-ASR 2.0)⚠ Good (Whisper-based)⚠ Good (proprietary)✗ Fair
Audio Languages✓ 51 with auto-detect✓ 99 (Whisper)✓ 36⚠ 15-20
Max File Length✓ 2 hours per file⚠ 30 min (free)⚠ 15 min (free)⚠ 10 min (free)
Output Language Translation✓ 48 output languages with bilingual toggle⚠ Limited⚠ Limited✗ None
Signup Required✓ No signup for first transcript✗ Signup required✗ Signup required✗ Signup required
Free Tier✓ Available⚠ 30 min/month⚠ Limited pages✗ Trial only
Feature comparison based on free tiers as of April 2026
Reviews

What Users Say

4.8/5 based on 3127 reviews

★★★★★

The Podcast preset structures my 45-minute episodes into intro/segments/outro automatically. I used to manually split these — Musely saves me 40 minutes per episode. Organic search traffic to my episode pages is up 80% since I started publishing the transcripts.

EM
Elena M.
Podcast Producer
★★★★★

Speech-to-text accuracy on Spanish is the best I have tested. The bilingual toggle gives me side-by-side Spanish and English, which is essential for my bilingual blog.

LP
Luis P.
Content Creator
★★★★☆

The Smart Punctuation option adds dashes and em-dashes where the speaker pauses. Makes the final text feel like something I wrote rather than something dictated.

AB
Aisha B.
Author
FAQ

Frequently Asked Questions

Musely speech to text online uses Seed-ASR 2.0 for 97.3% accuracy across 51 languages. It includes 5 content-type presets (general, voice memo, lecture, podcast, meeting), smart punctuation, 48 output languages with bilingual toggle, and runs entirely in the browser with no install.

Musely speech to text online is a consumer tool with presets, smart formatting, and translation built in, while Google Speech-to-Text is a developer API requiring integration work. Musely is browser-based and ready to use in 30 seconds; Google's service requires API keys, code, and billing setup.

Yes. Musely speech to text online supports 51 audio languages with Seed-ASR 2.0 including Chinese Mandarin, Cantonese, Spanish, Portuguese, Japanese, Korean, Arabic, Hindi, and 43 others. Accuracy stays above 95% on most languages. Auto-detect works reliably for Chinese and English.

Musely speech to text online offers 3 punctuation styles: Standard (periods / commas), Smart (adds quote marks and dashes for direct speech and interruptions), and Minimal (sentence endings only). Plus 3 formatting options: plain text, paragraph text, or markdown with headings.

Musely includes a Clean Up Speech Disfluencies toggle that removes fillers (um, uh, like, you know), false starts, and stutter-repeats while preserving meaning. Toggle off for verbatim output in research or legal contexts where every word must be preserved.