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Pado Wave Editor

Edit voice-guidance messages · Free

Pado Wave Editor
Dock two files side by side and play or loop them while you compare

A free audio editor where you see your sound — then cut, paste and polish it

Voice recordings, singing practice, sound effects for your videos — drop a file onto the window and the waveform appears instantly. Drag to select a part, cut it, add a fade, save. Done. The flow is kept simple so first-timers never get lost.

  • Free
  • Windows 10 · 11
  • WAV · MP3 · FLAC · OGG · MIDI
  • 14 languages
  • Light & dark themes

Perfect for

  • Cleaning up voice recordingsCut slips and long pauses from podcasts, presentations and voice memos, and even out the volume.
  • Comparing two takesDock two files side by side, loop the same section in each and keep the better one.
  • Turning MIDI into audioOpen a MIDI song and it plays straight into a waveform. Polish it and save it as WAV or MP3.
  • Game and video sound effectsPick lasers, explosions or notification sounds from presets and make your own in a few clicks.
  • From playing to sheet musicFind the notes in a recorded performance and see them as sheet music. Click a note, fix its position, pitch or length with the arrow keys (or remove it with Delete), then save a MIDI file.
  • Seeing inside your soundSpot noise and pops by eye with the spectrogram and frequency analysis.

Done in three steps

  1. OpenDrop a file onto the window or press Ctrl+O. WAV, MP3, FLAC, OGG and MIDI all open.
  2. Select and editDrag across the waveform to select, then cut, fade or add effects. Made a mistake? Ctrl+Z.
  3. SavePress Ctrl+S, or export to the format you need.

Feature tour

Edit audio in a clear multichannel waveform workspace
01

Edit audio in a clear multichannel waveform workspace

Edit in the large waveform on top and use the overview strip below to see where you are in the whole file. File info, playback position and selection length always sit in the info bar right under the waveform. Long files show a quick waveform first and fill in the detail afterwards, so you never wait long.

Select and edit all channels together or one channel at a time
02

Select and edit all channels together or one channel at a time

With stereo audio you can select the left (top) and right (bottom) channels together, or just one of them. Remove noise that is only on one side or fade a single channel — fine-grained fixes are easy.

Open MIDI files as waveforms played by the built-in sound font
03

Open MIDI files as waveforms played by the built-in sound font

A MIDI file (.mid, .midi, .rmi) holds notes, not sound. Pado Wave Editor plays it with the built-in sound font (MuseScore General) and shows the result as a waveform, so you can cut it, add effects and save it as WAV or MP3 like any audio. Prefer another SF2 or SF3 sound font? Switch it in Options.

Shape and inspect sound with effects, filters, and analysis tools
04

Shape and inspect sound with effects, filters, and analysis tools

Apply the equalizer, filters, compression, normalize and more to just the selected part. Drag the points on the graph to shape the sound, and save up to 10 equalizer settings to load again later.

Navigate with regions, cues, layers, and the spectrogram panel
05

Navigate with regions, cues, layers, and the spectrogram panel

Named, coloured regions, cues that mark positions and layers that let you switch processing on and off to compare keep you oriented even in long files. The spectrogram shows sound as colours by frequency, so you can spot noise and pops by eye.

Create sound effects from hundreds of formula-based presets
06

Create sound effects from hundreds of formula-based presets

Search hundreds of presets — lasers, explosions, alerts, even instruments — then tweak frequency, length and decay and hear the result right away. Save the ones you like as your own presets. Great for making your own sounds for games and videos.

Drag audio files onto the editor to open them in new tabs
07

Drag audio files onto the editor to open them in new tabs

Just drag audio files from File Explorer onto the window and each one opens in a new tab. You can drop several files at once.

Review and customize keyboard shortcuts
08

Review and customize keyboard shortcuts

See menus and shortcuts in one table, change any key or restore the default. Save your setup as a preset and load it again whenever you need it.

Recover unsaved work automatically after an unexpected shutdown
09

Recover unsaved work automatically after an unexpected shutdown

If the app closes unexpectedly, don't panic. The next time it starts, it finds your unsaved work and asks whether to open it, decide later or discard it. Choose later and the recovery files are kept and offered again on the next start.

What's new in 2.0

Version 2.0 is a major update focused on making everyday editing easier, faster, and more dependable.

  • MIDI files as waveforms. Open a MIDI file (.mid) and the built-in sound font plays it into a waveform you can edit like any audio and save as WAV, MP3 and more.
  • Beginner-friendly help. The in-app help is rewritten in plain language and walks you step by step through opening a file, selecting a part, editing it, and saving.
  • Drag and drop. Drop audio files straight onto the window to open them.
  • More formats. Open and save Ogg Vorbis (.ogg) files, including 5.1 and 7.1 surround, and FLAC now works on every edition of Windows.
  • Custom keyboard shortcuts. Reassign shortcuts to match the way you work.
  • Long files and long recordings. Long files open and save much faster, and audio is written as you record, so the app stays responsive in long sessions.
  • Automatic file recovery. If the app closes unexpectedly, your work is restored the next time you open it.
  • Better USB audio. Connecting or swapping a USB microphone or speaker is detected more reliably.
  • SFX Generator user presets, second generation. More presets and better sound quality from each one.
  • A refreshed look. Cleaner, sharper toolbar icons, and theme colors retuned for both light and dark modes.
  • Broad stability and reliability improvements across the whole app.

All features at a glance

  • Open supported audio files and edit all channels together or one channel at a time.
  • Open MIDI files (.mid, .midi, .rmi) as editable waveforms played by the built-in sound font.
  • Analyze the notes in a recording, view them as sheet music, correct them and save them as a MIDI file.
  • Cut, copy, paste, delete, mute, fade, undo, and redo selected audio.
  • Play, loop, record, save, and export from one workspace.
  • Use regions, cues, layers, and spectrogram panels for navigation and visual analysis.
  • Apply DC offset removal, filters, equalization, bass shelf, compression, volume, normalize, and hard clip.
  • Change playback rate, resample audio, and create sounds with the SFX Generator.
  • Reduce edit clicks with automatic crossfade, snapping, and short fades.
  • Keep long files responsive with low-spec PC optimization and staged waveform refinement.

The interface and in-app help are localized. Some standard audio-effect, file-format, and technical terms remain in English.

Requirements

Supported formats: WAV, AIFF, FLAC, Ogg Vorbis, MP3, WMA. MP3 and WMA use the Windows media components included with most editions of Windows; on Windows N editions, install the free Media Feature Pack (Settings > Apps > Optional features) to enable them. WAV, AIFF, FLAC and Ogg Vorbis always work. The in-app help viewer uses the Microsoft Edge WebView2 Runtime, which is included with Windows 11 and already installed on most Windows 10 PCs; if it is missing, only the help viewer is affected and audio editing continues to work.

This program is free for everyone. If it has helped you, please consider supporting it with a donation.

Donate

Frequently asked questions

Which audio files can I open?

Supported formats: WAV, AIFF, FLAC, Ogg Vorbis, MP3, WMA. MP3 and WMA use the Windows media components included with most editions of Windows; on Windows N editions, install the free Media Feature Pack (Settings > Apps > Optional features) to enable them. WAV, AIFF, FLAC and Ogg Vorbis always work. The in-app help viewer uses the Microsoft Edge WebView2 Runtime, which is included with Windows 11 and already installed on most Windows 10 PCs; if it is missing, only the help viewer is affected and audio editing continues to work.

MIDI files (.mid, .midi, .rmi) open too. A MIDI file contains notes rather than sound, so the app plays them with a set of instrument sounds (a sound font) and opens the result as an ordinary audio document that you can edit and save in any supported format. The built-in sound font is MuseScore General. To use another SF2 or SF3 sound font, choose Options > MIDI Sound Font > Choose Sound Font File...; it is used for MIDI files opened afterwards, and Options > MIDI Sound Font > Built-in Sound Font (MuseScore General) switches back. A MIDI document cannot be saved as MIDI: saving asks for a new name and format.

How do I update to a new version?

If you installed it from the Microsoft Store, the app checks for a new version shortly after it starts. When one is available, a notice appears: Update Now starts the installation, and Later reminds you the next time you open the app.

If you have unsaved work, you are asked to save it first (Save and Update). The app closes while the update installs, so open it again when the installation finishes. You can also update from the Library in the Microsoft Store app.

If you installed it with the setup file, download and run the setup file for the new version.

Can I change the display language?

Choose one of 14 languages in Options > Language: 한국어 · English · 日本語 · 简体中文 · 繁體中文 · Deutsch · Français · Español · Português (Brasil) · Português (Portugal) · Русский · Bahasa Indonesia · हिन्दी · العربية.

Until you choose one, the app follows the Windows display language, and uses English if that language is not supported. Arabic lays the interface out from right to left.

The waveform is slow to appear

Very long files may need a moment before the first waveform is ready. Low-spec mode can show a simple waveform first and make it clearer after a moment. Try closing other memory-heavy apps.

I edited one channel, but a wider area refreshes

Check that you are in single-channel target mode. If the command affects every channel or changes the document length, a wider refresh can be normal.

Paste does nothing

The clipboard may be empty or may not match the current edit mode. Copy again, then paste while the intended target channel or timeline range is active.

No sound during playback
  • Check the output device.
  • Check the status bar volume.
  • Make sure Windows is not muting the app.
Saving fails

The destination file may be open in another app. Stop playback, close external preview tools, then save again.

The app closed unexpectedly and my work is gone

Start the app again and the Crash recovery dialog appears. Choose Open: an edited file reopens with your edits applied, and a new document opens in a recovery tab. Choose Decide later to keep the backup for the next start. Auto-backup is on by default and is written about 30 seconds to a minute after you stop editing; you can change this in Options > Auto-backup. If recovery reports that the original file was changed, the backup is kept and its location is shown.

If you sign out, restart or shut down Windows while edits are unsaved, Pado Wave Editor stops the shutdown and asks whether to save them first. Windows lists it as an app that is preventing shutdown; answer the question in Pado Wave Editor, then shut down again if Windows is still waiting.

Processing takes too long

Saving, Export Regions, rendered effects, SFX generation, Statistics, and Detect Silence show a message and a moving bar in the status bar while they run. Press Esc to cancel. Canceling leaves the audio and the existing file unchanged.

Recording does not start
  • Another app may be holding the input device exclusively. Close it, then open Devices (Ctrl+Alt+D) and select the device again.
  • If the device you saved earlier has been unplugged, choose a different one in Devices.
  • Recording runs in one tab at a time. Leaving the tab stops the take and applies it, so if you switched away mid-take, look for it in the tab you started it in.
Continue recording started in the wrong place

REC Cont (Alt+F9) continues where the last recording stopped, but only until you move the cursor. Clicking in the waveform, jumping to the start or end, or playing the file all hand the start position back to the visible cursor. Look at where the cursor is before pressing Alt+F9 - that is where the take goes whenever no stop position is being remembered. Switching tabs also clears the remembered position.

The file got longer than expected after recording

That is what REC Cont does: the take is inserted and pushes the following audio later. To record over existing audio without changing the file length, use REC New (F9) or REC Sel (Shift+F9) instead. Ctrl+Z undoes an entire take in one step.

Recording stopped at 4 GB

The recording folder is on a FAT32 drive, which cannot hold a file of 4 GB or more. Everything recorded up to that point is kept. Choose a recording folder on an NTFS or exFAT drive; there, a take can grow past 4 GB.

Recording stopped but nothing was added
  • If the input never delivered any audio, the take is empty and nothing is inserted. Watch the live waveform preview for a moment at the start of a long session.
  • If the tab or the app was closed while recording, the capture is left in the Windows temp folder as PadoWaveEditor_record_*.wav and is removed automatically after about a day. You can open that file directly in the meantime.
Can I compare two files side by side?

Yes. Drag a file tab toward the middle of the wave panel and docking guides appear. Drop it on the right (or left, top or bottom) guide, and the wave panel splits so the two files are shown side by side.

Each pane has its own waveform, overview and information strip, so you can select a range and play or loop it in either file. To put them back together, drag the tab onto the centre guide of the other pane.

Can I open files by dragging them from File Explorer?

Drag audio files from Explorer and drop them anywhere on the wave panel to open them in new tabs. While you drag, a hint shows how many of the dragged files can be opened; unsupported formats and folders are ignored. Dropping a file that is already open simply switches to its tab. Drops are refused while another operation is loading or while recording is in progress. If you run Pado Wave Editor as an administrator, Windows blocks drags that come from a normal Explorer window.

Can I change keyboard shortcuts or find a command by name?

Options > Keyboard Shortcuts (Shift+F1) opens the full list of commands with the key each one uses right now. The list is not fixed: double-click a row, or select it and choose Change, then press the key you want. If that key already belongs to another command, the dialog says which one and asks before taking it away. Clear removes a key, Reset puts one row back to its factory key, and Reset All puts every row back.

The same dialog also sets the letter that opens each top menu with Alt, and it saves whole layouts as named presets — type a name, and load it back later by that name. A letter that opens a top menu with Alt cannot also be given to a command, because the menu would always take it first. Presets store the menu letters as well, and putting every row back asks for confirmation first.

Help > Find a Command (Ctrl+P) is the quicker way in when you remember a command by name rather than by key. Type part of the name, use the arrow keys, and press Enter to run it.

How do I keep a sound I made in the SFX generator?

The My presets box under the list keeps the sound you just built.

  1. Adjust the formula and the values until it sounds right.
  2. Type a name and press Save.
  3. Saved presets appear in the list under My presets and are searchable like any other.

Saving with the same name overwrites; saving with a different name creates a new preset. To remove one, select it and press Delete (you will be asked to confirm).

⚠️ Worth remembering - save the sounds you actually use

The built-in presets keep being refined. Formulas and starting values may change from one update to the next, because the goal is to make them sound better.

That means the same preset can sound different after an update.

When you find a sound you like, give it a name and save it to My presets before you use it. Your presets live in a separate file, so an app update leaves them exactly as you saved them.

This matters most for sounds already used in a project. Save once, stop worrying.

Can MIDI files play with a different sound font?

The built-in MuseScore General sound font covers every standard (General MIDI) instrument. For richer instruments you can download another SF2 or SF3 sound font yourself. Such sound fonts are not part of the app and are not installed with it: you download them from their makers, and each one has its own licence, shown on its download page.

Two free sound fonts that work well:

To use a downloaded sound font:

  1. Download the file from its download page.
  2. If it arrives as an archive (.zip or .7z), extract it. Recent versions of Windows 11 open both in File Explorer; otherwise use an archive tool such as 7-Zip.
  3. Keep the .sf2 or .sf3 file in a folder you will not move, for example Documents\SoundFonts.
  4. Choose Options > MIDI Sound Font > Choose Sound Font File... and pick the file.
  5. Open the MIDI file again. A MIDI document that is already open keeps the sound it was opened with.

Good to know:

  • A large sound font makes a MIDI file take a few seconds longer to open.
  • The rendered sound is scaled so that its loudest moment reaches the level chosen in Options > MIDI Sound Font > Peak Level (-1 dBFS unless you change it), so every sound font gives the same peak level, and the file ends shortly after the last sound fades out. With Off (keep the rendered level) the level is the one the MIDI velocities and the sound font give; some sound fonts are much louder than others, so then use Normalize before saving as a 16-bit or 24-bit file if the waveform reaches the top of the scale.
  • The reverb and chorus a MIDI file asks for are played, and a file that sets none gets the light reverb standard (General MIDI) players add. Turn off Options > MIDI Sound Font > Reverb and Chorus to render the sound dry, for example when you will add your own effects. Drum parts on channels other than 10 (GS and XG files), the sustain, sostenuto and soft pedals, and the modulation wheel (vibrato) are played too.
  • If the chosen file is moved or deleted, MIDI files open with the built-in sound font again. Choose the file again to go back to it.
  • Only SF2 and SF3 files can be used. SFZ files and plug-in instruments (VST) are not supported.
  • Both sound fonts above allow personal use. GeneralUser GS also allows music made with it to be published, including commercially; Timbres of Heaven must not be passed on to other people. Terms can change, so check the licence on the download page before you publish music or share a sound font.
Can I turn a recorded performance into sheet music, fix it and save it as MIDI?

Note Analysis (Ctrl+Alt+N) lists the notes with their time, frequency, and cents deviation. In Chords mode it separates several keys sounding at once, such as a piano chord; in Melody mode it follows the single strongest pitch and also lists rests. Show score draws the result as sheet music with a detected tempo, time signature, and key, which you can change, and Save MIDI writes it as a standard MIDI file. You can correct the result in the score: click a note to select it (Ctrl+click adds more), then Delete removes it, the Up and Down arrow keys change its pitch (with Shift, by an octave), Left and Right move it by one grid step, Ctrl+Left and Ctrl+Right change its length, and Ctrl+Z / Ctrl+Y undo and redo. Save MIDI saves the edited notes. Frequency analysis and Note Analysis both analyze the audio before effect layers are applied, so a layer you have turned on is not reflected in their results.

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