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feat: add trim audio landing page (AUDIO-4669)

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8
src/assets/data/features.ts
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@@ -23,6 +23,14 @@ export const features: FeatureEntry[] = [
"Reverse audio in one click. Play selections backwards for drops, reverse reverb, backmasking, and sound design.",
icon: "icon-cycle",
},
{
slug: "trim",
title: "Free Audio Trimmer – Trim Start and End of Audio | Audacity",
shortTitle: "Trim Audio",
description:
"Trim audio to keep only the part you want. Crop intros, outros, and silence in one click with Ctrl+T.",
icon: "icon-waveform",
},
{
slug: "change-pitch",
title: "Free Pitch Shifter – Change Audio Pitch Without Changing Speed",

344
src/pages/features/trim.astro Normal file
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@@ -0,0 +1,344 @@
---
import FeaturePageLayout from "../../layouts/FeaturePageLayout.astro";
import DownloadButton from "../../components/button/DownloadButton";
import DownloadMuseHubButton from "../../components/button/DownloadMuseHubButton";
import { Image } from "astro:assets";
import AudacityMockUp from "../../assets/img/HeroBannerImage.webp";
---
<FeaturePageLayout
title="Free Audio Trimmer – Trim Start and End of Audio | Audacity"
description="Trim audio to keep only the part you want. Crop intros, outros, and silence in one click with Ctrl+T. Free trimmer for Windows, Mac & Linux."
canonical="https://www.audacityteam.org/features/trim/"
>
<Fragment slot="hero">
<section id="main" class="bg-gradient-to-r from-indigo-900 to-blue-700">
<div class="mx-auto px-4 md:px-8 py-4 md:py-8 lg:py-12 max-w-screen-lg">
<div
class="flex flex-col md:flex-row md:items-center md:justify-between gap-8 md:gap-12"
>
<!-- Left Column - Text Content -->
<div class="flex flex-col text-center md:text-left md:w-1/2 gap-6">
<h1
class="text-xl sm:text-2xl md:text-3xl lg:text-4xl font-semibold text-white leading-tight"
>
Free Audio Trimmer &ndash; Keep the Selection, Delete Everything
Else
</h1>
<p class="text-white text-lg opacity-90">
Trim audio to keep only the part you want. Crop intros, outros,
and silence in one click with Ctrl+T.
</p>
<div
class="flex flex-col w-full md:w-fit gap-4 items-center md:items-start pb-2"
>
<DownloadMuseHubButton client:load />
<noscript>
<DownloadMuseHubButton client:load />
</noscript>
<DownloadButton client:load />
<noscript>
<DownloadButton client:load />
</noscript>
</div>
</div>
<!-- Right Column - Image -->
<div class="hidden md:block md:w-1/2">
<div class="relative">
<Image
src={AudacityMockUp}
alt="A laptop showing the Audacity application"
width={668}
quality={80}
loading="eager"
class="w-full h-auto"
/>
</div>
</div>
</div>
</div>
</section>
</Fragment>
<div class="not-prose my-6 rounded-lg border border-blue-200 bg-blue-50 p-6">
<h3 class="mb-3 text-lg font-semibold text-blue-900">
Trim audio in 4 steps:
</h3>
<ol class="list-decimal space-y-2 pl-5 text-blue-800">
<li>
Open your audio file in Audacity (<strong>File &rarr; Open</strong>)
</li>
<li>
Click and drag on the waveform to select the part you want to keep
</li>
<li>
Press <code class="rounded bg-blue-100 px-1">Ctrl+T</code> (Windows/Linux)
or <code class="rounded bg-blue-100 px-1">Cmd+T</code> (Mac) &mdash; or go
to <strong>Edit &rarr; Remove Special &rarr; Trim Audio</strong>
</li>
<li>
Export via <strong>File &rarr; Export Audio&hellip;</strong> (MP3, WAV, FLAC,
OGG)
</li>
</ol>
</div>
<h2>What Is Trim Audio?</h2>
<p>
Trim Audio keeps only the selected portion of your recording and removes
everything before and after it inside that clip. It's the opposite of Cut
&mdash; instead of deleting the selection, Trim deletes everything
<em>outside</em> it. Perfect for cropping song intros and outros, isolating a
single take, or cleaning up dead air at the start of a podcast.
</p>
<p>
Trim is non-destructive at the clip level: the audio outside your selection
becomes hidden, and you can drag the clip edges back out to recover it
later. Labels inside the selection are preserved; other clips in the same
track are untouched.
</p>
<h2>How to Trim Audio in Audacity</h2>
<h3>Step 1: Open Your Audio File</h3>
<p>
Launch Audacity and open your file via <strong>File &rarr; Open</strong> or drag
and drop it onto the Audacity window. The audio loads as a waveform in the track
area.
</p>
<h3>Step 2: Select the Part to Keep</h3>
<p>
Click and drag on the waveform to highlight the region you want to keep. For
precise boundaries, type exact start and end times into the Selection
Toolbar at the bottom of the window. Zoom in with <code>Ctrl+1</code> /
<code>Cmd+1</code> for sample-level accuracy.
</p>
<h3>Step 3: Apply Trim Audio (Ctrl+T)</h3>
<p>
Press <code>Ctrl+T</code> (Windows/Linux) or <code>Cmd+T</code> (Mac), or go to
<strong>Edit &rarr; Remove Special &rarr; Trim Audio</strong>. The command
acts immediately with no dialog. Everything outside the selection is hidden
from the clip.
</p>
<h3>Step 4: Export Your Trimmed File</h3>
<p>
Go to <strong>File &rarr; Export Audio&hellip;</strong> and choose your desired
format (MP3, WAV, FLAC, OGG, or others). Audacity exports only the remaining visible
audio, not the hidden portions outside the trim.
</p>
<h2>Trim Audio Settings and Options Explained</h2>
<h3>Selection Range</h3>
<p>
Trim Audio uses whatever you have selected in the waveform. Click and drag
to highlight the keep-zone, or type exact start/end times in the Selection
Toolbar at the bottom of the window for sample-accurate trimming.
</p>
<h3>Keyboard Shortcut (Ctrl+T / Cmd+T)</h3>
<p>
The fastest way to trim. <strong>Ctrl+T</strong> on Windows and Linux,
<strong>Cmd+T</strong> on macOS. Works instantly on the current selection &mdash;
no dialog box, no confirmation.
</p>
<h3>Multi-Track Behavior</h3>
<p>
If your selection spans multiple tracks, Trim Audio crops every selected
track to the same range at once. Unselected tracks are left alone. Useful
for trimming a stereo pair or a full multitrack session to the same
start/end.
</p>
<h3>Label and Clip Preservation</h3>
<p>
Trim Audio only affects audio inside the selection &mdash; labels in the
label track are kept in place. Other separate clips in the same track are
not removed or shifted. This is safer than Cut when working with a track
that contains multiple clips.
</p>
<h2>Common Use Cases</h2>
<ul>
<li>
<strong>Crop song intros and outros</strong> — Keep only the part of the song
you want
</li>
<li>
<strong>Isolate a single take</strong> — Select the best take in a recording
and drop everything else
</li>
<li>
<strong>Trim podcast starts</strong> — Remove pre-roll chatter, coughs, and
mic setup noise
</li>
<li>
<strong>Prep audio for export</strong> — Shorten a long recording to a ringtone,
voice memo, or clip
</li>
<li>
<strong>Make ringtones</strong> — Cut a 30-second hook from a full song
</li>
<li>
<strong>Extract interview quotes</strong> — Keep a single sound bite from a
long recording
</li>
<li>
<strong>Clean up voiceovers</strong> — Trim before the first word and after
the last word
</li>
</ul>
<h2>Trim vs Cut vs Delete vs Silence Audio</h2>
<div class="not-prose overflow-x-auto my-6">
<table class="w-full text-sm border-collapse">
<thead>
<tr class="bg-gray-100">
<th class="border border-gray-300 px-3 py-2 text-left">Command</th>
<th class="border border-gray-300 px-3 py-2 text-left">Shortcut</th>
<th class="border border-gray-300 px-3 py-2 text-left"
>What Happens to Selection</th
>
<th class="border border-gray-300 px-3 py-2 text-left"
>What Happens Outside</th
>
<th class="border border-gray-300 px-3 py-2 text-left">Clipboard?</th>
</tr>
</thead>
<tbody>
<tr>
<td class="border border-gray-300 px-3 py-2 font-medium"
>Trim Audio</td
>
<td class="border border-gray-300 px-3 py-2"><code>Ctrl+T</code></td>
<td class="border border-gray-300 px-3 py-2">Kept</td>
<td class="border border-gray-300 px-3 py-2">Removed from clip</td>
<td class="border border-gray-300 px-3 py-2">No</td>
</tr>
<tr class="bg-gray-50">
<td class="border border-gray-300 px-3 py-2">Cut</td>
<td class="border border-gray-300 px-3 py-2"><code>Ctrl+X</code></td>
<td class="border border-gray-300 px-3 py-2">Removed</td>
<td class="border border-gray-300 px-3 py-2">Kept, shifted left</td>
<td class="border border-gray-300 px-3 py-2">Yes</td>
</tr>
<tr>
<td class="border border-gray-300 px-3 py-2">Delete</td>
<td class="border border-gray-300 px-3 py-2"><code>Ctrl+K</code></td>
<td class="border border-gray-300 px-3 py-2">Removed</td>
<td class="border border-gray-300 px-3 py-2">Kept, shifted left</td>
<td class="border border-gray-300 px-3 py-2">No</td>
</tr>
<tr class="bg-gray-50">
<td class="border border-gray-300 px-3 py-2">Silence Audio</td>
<td class="border border-gray-300 px-3 py-2"><code>Ctrl+L</code></td>
<td class="border border-gray-300 px-3 py-2">Replaced with silence</td
>
<td class="border border-gray-300 px-3 py-2">Unchanged</td>
<td class="border border-gray-300 px-3 py-2">No</td>
</tr>
</tbody>
</table>
</div>
<h2>Tips for Best Results</h2>
<ul>
<li>
Zoom in (<code>Ctrl+1</code>) before selecting for sample-accurate trim
points
</li>
<li>
Use the Selection Toolbar to type exact start/end times when you need
precision
</li>
<li>
If you trim too aggressively, press <code>Ctrl+Z</code> to undo — or drag the
clip edge back out to reveal the hidden audio
</li>
<li>
Trim before applying effects so you process only the audio you actually
need (faster render)
</li>
<li>
For trimming silence from start and end automatically, try the Truncate
Silence effect instead
</li>
<li>
Save a copy of the project (<code>Ctrl+S</code>) before trimming a master
recording
</li>
</ul>
<h2>Frequently Asked Questions</h2>
<p>
<strong>What is the keyboard shortcut to trim audio in Audacity?</strong><br
/>
<code>Ctrl+T</code> on Windows and Linux, <code>Cmd+T</code> on macOS. You can
also find it under <strong
>Edit &rarr; Remove Special &rarr; Trim Audio</strong
>.
</p>
<p>
<strong>What's the difference between Trim and Cut in Audacity?</strong><br
/>
Trim keeps the selection and deletes everything outside it. Cut does the opposite
&mdash; it removes the selection and copies it to the clipboard so you can paste
it elsewhere.
</p>
<p>
<strong>Does Trim Audio delete the audio permanently?</strong><br />
No. The audio outside your selection is hidden, not destroyed. You can drag the
clip edges outward to recover it, or press <code>Ctrl+Z</code> to undo the trim.
</p>
<p>
<strong>How do I trim only the beginning and end of a file?</strong><br />
Select the middle portion you want to keep &mdash; from just after the intro to
just before the outro &mdash; and press <code>Ctrl+T</code>. Everything
before and after that selection is removed from the clip.
</p>
<p>
<strong>Can I trim multiple tracks at once?</strong><br />
Yes. If your selection spans multiple tracks, Trim Audio crops each selected track
to the same range. Tracks outside the selection are untouched.
</p>
<p>
<strong>Why does Trim Audio delete other clips in my track?</strong><br />
This happens when your selection overlaps or touches a clip boundary. Shrink the
selection so it sits fully inside a single clip, then trim again.
</p>
<p>
<strong>How do I trim audio to an exact length?</strong><br />
Use the Selection Toolbar at the bottom of the Audacity window. Type the exact
start and end time (or start time + length) in the fields, then press <code
>Ctrl+T</code
>.
</p>
<p>
<strong>How do I export the trimmed audio as MP3 or WAV?</strong><br />
After trimming, go to <strong>File &rarr; Export Audio&hellip;</strong> and choose
MP3, WAV, FLAC, OGG, or another format. Audacity exports only the remaining audio,
not the hidden portion.
</p>
<h2>Download Audacity Free</h2>
<p>
Ready to trim your audio? Download Audacity for free on Windows, macOS, or
Linux.
</p>
<div
class="not-prose mt-8 flex flex-col w-full md:w-fit gap-4 items-center sm:items-start text-left"
>
<DownloadMuseHubButton client:load />
<noscript>
<DownloadMuseHubButton client:load />
</noscript>
<DownloadButton client:load />
<noscript>
<DownloadButton client:load />
</noscript>
</div>
</FeaturePageLayout>