# PureMIDI

> Convert audio and sheet music to editable MIDI, then refine it in your browser

- Category: [Audio & Speech AI](https://finderatlas.com/categories/audio-ai)
- Pricing: Freemium
- Website: https://puremidi.com/
- Platforms: Web
- Made by: PureMIDI
- Last updated: 2026-10-26
- FinderAtlas page: https://finderatlas.com/tools/puremidi

## Overview

PureMIDI is a browser-based audio-to-MIDI converter and MIDI editor. Users upload a recording (MP3, WAV, M4A, FLAC, OGG, WEBM, AAC or AIFF), a video soundtrack, or a sheet-music score, and the service detects pitch, timing and velocity to produce a standard .mid file that can be opened in any DAW. A free account includes a preview (up to 30 seconds of audio, or the first page of a PDF score) before any credits are spent.

## Key features

- Audio to MIDI
- Free preview
- Sheet music to MIDI (Beta)
- Browser MIDI editor
- Video and YouTube workflows
- Format-specific tools
- DAW and notation compatibility
- Pay-per-success credits

## Pricing

- **Free account** ($0): Free previews and a small starter credit gift
- **Starter** ($4.99/one-time): 30 credits, the pack the site marks as recommended
- **Standard** ($9.99/one-time): 100 credits
- **Pro** ($19.99/one-time): 300 credits

## Best for

- Turning a hummed or played melody, a recorded riff or a PDF score into editable MIDI for a DAW or notation program

## Who uses it

- Music producers
- Musicians
- Music students and learners
- Arrangers
- Transcribers

## Strengths

- Pay-per-use credit packs with no subscription, starting at $4.99 for 30 credits
- Failed conversions are not charged
- Free previews let users check quality before spending credits
- Covers audio, video, sheet music and existing MIDI in one workspace, with MusicXML export
- In-browser multi-track editor with piano-roll, notation and guitar TAB views
- States a clear retention policy (successful uploads deleted within 3 days)

## Limitations

- No named legal entity, address or founding date on the site
- No public API and no native app
- Paid charges are non-refundable except where required by law
- Sheet-music, PDF and drum conversion are labeled Beta, and AI Music generation and Text to MIDI are only waitlisted
- 25 MB upload limit and full-song conversions cost 6 to 15 credits each

## Not recommended for

- Users who need a documented API, fully automatic transcription of dense full mixes without manual cleanup, or a refundable subscription

## FinderAtlas editorial scores (out of 10)

- Ease of Use: 8/10
- Feature Depth: 7.5/10
- Value for Money: 7.5/10
- Performance & Speed: 7/10
- Documentation & Support: 6.5/10

## Alternatives

- [Murf AI](https://finderatlas.com/tools/murf): Studio-quality AI voiceovers and text-to-speech API for creators, teams and voice agents ([compare](https://finderatlas.com/compare/murf-vs-puremidi))
- [Fish Audio](https://finderatlas.com/tools/fish-audio): Expressive text-to-speech, voice cloning and speech-to-text with fine-grained emotion control ([compare](https://finderatlas.com/compare/fish-audio-vs-puremidi))
- [Descript](https://finderatlas.com/tools/descript): Edit video and podcasts by editing their transcript, with AI audio cleanup and clips ([compare](https://finderatlas.com/compare/descript-vs-puremidi))
- [Wondercraft](https://finderatlas.com/tools/wondercraft): AI studio for turning scripts, documents and ideas into podcasts, audio ads and video ([compare](https://finderatlas.com/compare/puremidi-vs-wondercraft))
- [Udio](https://finderatlas.com/tools/udio): Generate songs with vocals from text prompts and lyrics, with in-browser editing ([compare](https://finderatlas.com/compare/puremidi-vs-udio))
- [Suno](https://finderatlas.com/tools/suno): Turn text prompts, lyrics or audio into complete songs with vocals ([compare](https://finderatlas.com/compare/puremidi-vs-suno))
- [ElevenLabs](https://finderatlas.com/tools/elevenlabs): Text-to-speech, voice cloning, dubbing and voice agents built on in-house audio models ([compare](https://finderatlas.com/compare/elevenlabs-vs-puremidi))
- [Cartesia](https://finderatlas.com/tools/cartesia): Real-time speech AI for developers: fast text-to-speech, transcription and voice agents ([compare](https://finderatlas.com/compare/cartesia-vs-puremidi))

## FAQ

**Is PureMIDI free to use?**

Partly. A free account includes previews (audio up to 30 seconds, and the first page of a PDF score), and eligible new accounts get 2 gift credits valid for 14 days. Full conversions use credits, sold in one-time packs from $4.99.

**How much does a conversion cost?**

A single-melody conversion costs 1 credit, a full-song conversion 6 to 15 credits depending on length, MusicXML export 1 credit, and a PDF score 4 credits for up to 4 pages plus 1 credit per additional page.

**What file formats and sizes are supported?**

Audio input is MP3, WAV, M4A, FLAC, OGG, WEBM, AAC and AIFF; video input is MP4, MOV, WebM and M4V; score input is PDF, PNG, JPG, WebP, MusicXML and MXL. The maximum upload size is 25 MB. Output is standard .mid or MusicXML.

**Does PureMIDI keep my uploads?**

According to the site, source uploads from successful conversions are deleted within 3 days, uploads from failed conversions may be kept up to 14 days for support, and audio or scores are never used to train models.

**Do credits expire or can I get a refund?**

Purchased credits stay valid long term. Under the terms, paid charges are non-refundable except where required by law, and credits are not spent on failed conversions.

**Is sheet-music conversion finished?**

It is labeled Beta. The site says score drafts may need manual correction, and recommends comparing the draft with the original score before exporting.