Why does Trim Video matter?

The result is your trim video for the values you entered. Adjust any input to see exactly how it changes the outcome — handy for comparing options or checking your own working.

✂️

100% free · no signupNo sign-upRuns in your browser

Trim Video

Cut the part you want out of any video in your browser — fast copy or frame-exact, no upload.

Best for: Use it any time a trim video would help: trim video, cut video online, video trimmer, quick comparisons, or a sanity check.

Purpose: Cut the part you want out of any video in your browser — fast copy or frame-exact, no upload.

Complete guide

Input

StartEnd (empty = to the end)Mode

How it's calculated & sources

Method: ffmpeg (compiled to WebAssembly, served from this site) cuts your clip with -ss/-t. Fast copy keeps the original quality and finishes in seconds by cutting at keyframes; Frame-exact re-encodes to H.264 for a precise cut. The video never leaves your device.

Free & no sign-up · runs entirely in your browser. Results are estimates for general information, not professional advice — verify important decisions with a qualified expert. Last reviewed June 2026.

Frequently asked questions

Why does Fast copy start slightly before my time?+

Fast copy can only cut where the video has a keyframe — usually every 1-2 seconds. If the exact frame matters, use Frame-exact mode, which re-encodes precisely at the cost of speed.

What time formats work?+

Seconds (90), minutes:seconds (1:30), or hours:minutes:seconds (0:01:30). Leave the end field empty to keep everything after the start time.

Does trimming lose quality?+

Fast copy loses nothing — the frames are copied bit-for-bit. Frame-exact re-encodes at high quality (CRF 23), which is visually lossless for most videos.

Is my video uploaded?+

No. The trimmer runs entirely in your browser from this site's own domain. Nothing is sent anywhere.

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Complete guide

Quick answers

Short, sourced answers to the questions people (and AI assistants) ask most.

What is Trim Video?: Cut the part you want out of any video in your browser — fast copy or frame-exact, no upload. It's a free, private trim video you can use straight away: everything is computed locally in your browser, with nothing sent to a server.
Why does Trim Video matter?: The result is your trim video for the values you entered. Adjust any input to see exactly how it changes the outcome — handy for comparing options or checking your own working.
How is Trim Video calculated?: The Trim Video takes your inputs, applies the formula below, and shows the trim video immediately so you can compare scenarios on the spot. Formula: ffmpeg.wasm (same-origin) → -ss/-t cut → stream copy (fast) or H.264 re-encode (exact).
When should you use the Trim Video?: Use it any time a trim video would help: trim video, cut video online, video trimmer, quick comparisons, or a sanity check.

What is the Trim Video?

Cut the part you want out of any video in your browser — fast copy or frame-exact, no upload. It's a free, private trim video you can use straight away: everything is computed locally in your browser, with nothing sent to a server.

How the Trim Video works

The Trim Video takes your inputs, applies the formula below, and shows the trim video immediately so you can compare scenarios on the spot.

ffmpeg.wasm (same-origin) → -ss/-t cut → stream copy (fast) or H.264 re-encode (exact)

Keywords: trim video, cut video online, video trimmer, crop video length, shorten video.

Reviewed by the Free Tools Galaxy editorial team · Updated June 2026 · Calculated privately in your browser.

Frequently asked questions

Is the Trim Video free to use?+

Yes. Every tool on Free Tools Galaxy is 100% free, runs in your browser and requires no signup.

How accurate is the Trim Video?+

Trim Video uses the standard trim video formula in double-precision arithmetic, so the same inputs always produce the same result and you can verify any figure by hand. It is an educational estimate — real-world outcomes depend on your actual rates, rules and assumptions.

Do you store my inputs?+

No. The Trim Video runs entirely in your browser. Nothing is uploaded or saved to a server.

Can I use the Trim Video on mobile?+

Yes — the interface is fully responsive and works on phones, tablets and desktops.

What are common mistakes to avoid?+

The most frequent mistake is mixing units. Double-check your inputs use a single, consistent unit before clicking Calculate.

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Reddit post

Title: I built/used this free trim video — instant, no signup

Body: Cut the part you want out of any video in your browser — fast copy or frame-exact, no upload. Try it: https://freetoolsgalaxy.com/tools/trim-video

LinkedIn post

Trim Video on Free Tools Galaxy — Cut the part you want out of any video in your browser — fast copy or frame-exact, no upload. https://freetoolsgalaxy.com/tools/trim-video

Medium intro

# Trim Video — the free tool I keep coming back to

Cut the part you want out of any video in your browser — fast copy or frame-exact, no upload.

Try it: https://freetoolsgalaxy.com/tools/trim-video

Quora answer

The fastest way is to use a free in-browser trim video: https://freetoolsgalaxy.com/tools/trim-video. Cut the part you want out of any video in your browser — fast copy or frame-exact, no upload.

Embed this tool anywhere

Free embed code for blogs, docs and dashboards. Every embed sends a backlink home — helping you and the galaxy grow together.

HTML iframe

Drop into any site — auto-resizes to its content height, theme-aware.

<iframe src="https://freetoolsgalaxy.com/tools/trim-video?embed=1" title="Trim Video" loading="lazy"
  style="width:100%;height:600px;border:0;border-radius:16px;background:#0b1020"
  allow="clipboard-write"></iframe>
<script>window.addEventListener("message",function(e){if(e.data&&e.data.type==="ftg-embed-height"){document.querySelectorAll("iframe").forEach(function(f){if(f.contentWindow===e.source){f.style.height=e.data.height+"px";}});}});</script>
<p><a href="https://freetoolsgalaxy.com/tools/trim-video" target="_blank" rel="noopener">Powered by Trim Video on Free Tools Galaxy</a></p>

Responsive wrapper

Aspect-locked container — good for blog post bodies.

<div style="position:relative;padding-bottom:75%;height:0;overflow:hidden;border-radius:16px">
  <iframe src="https://freetoolsgalaxy.com/tools/trim-video?embed=1" title="Trim Video" loading="lazy"
    style="position:absolute;inset:0;width:100%;height:100%;border:0" allow="clipboard-write"></iframe>
</div>

WordPress / Markdown

Paste in a custom-HTML block or markdown file.

[Trim Video — free online tool](https://freetoolsgalaxy.com/tools/trim-video)

<iframe src="https://freetoolsgalaxy.com/tools/trim-video?embed=1" width="100%" height="600" frameborder="0"></iframe>

Text link-back

Minimal credit link — best for sidebars and footers.

<a href="https://freetoolsgalaxy.com/tools/trim-video" target="_blank" rel="noopener">Try the free Trim Video</a>

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Input

Frequently asked questions

Continue your journey

Complete guide

Quick answers

What is the Trim Video?

How the Trim Video works

Frequently asked questions

Explore more

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