Browser-based video tools
Free Online Video Tools
Compress, convert, trim, resize, rotate, mute and AI-upscale video right in your browser. Nothing is uploaded — every file is handled on your own computer and never leaves it.
- Compress an MP4
- MOV to MP4
- Trim a clip
- Video to GIF
- MP4 to MP3
- 4K to 1080p
- Rotate a sideways video
- Upscale with AI
All video tools
Most "online" video tools are really upload tools. Your file travels to somebody else's server, waits in a queue behind other people's jobs, gets processed, and comes back — assuming the site is up, the queue is short and your video is under whatever the free tier allows. That is why CloudConvert, Clideo, Zamzar and Kapwing all cap free users somewhere between 100MB and 500MB, and why every one of them needs a privacy policy explaining how long they keep your footage.
These free online video tools work the other way round. The whole video engine — ffmpeg compiled to WebAssembly for nine of the ten tools, and WebGPU neural networks for the AI upscaler — runs inside this tab, on your own computer, on a file that never leaves it. There is no upload step, no file-size ceiling imposed by a bandwidth bill, no daily job allowance and no queue. There is also nothing to delete afterwards, because nothing was ever stored.
When a job finishes you get the result as an ordinary download. If what you actually want is a link rather than a file, one button hands the finished video to the VideoToURL uploader and gives you back a watch page, a direct file URL and an iframe embed snippet — but that step is always yours to choose, never the default.
What People Use These Browser Video Tools For
Getting under an email or chat size limit
Gmail stops at 25MB, WhatsApp at 16MB, Discord at 10MB without Nitro. Compressing, resizing or trimming — often in that order — clears every one of them, and the size readout tells you where you landed before you send.
Making a file that will actually open
MOV from an iPhone, MKV from a download and AVI from an old camcorder are all rejected somewhere. Converting to H.264 in MP4 is the universal fix, and it takes one pass with no account.
Preparing video for a website
Resize to 720p, compress at the balanced preset, mute if it is a background loop, and every output is written with faststart so it begins playing before it has finished downloading.
Cleaning up phone footage
Sideways clips, mirrored selfie video and recordings that caught a conversation in the background are the three most common phone-video problems. Rotate, flip and mute fix all three without an editor.
Pulling something out of a video
The audio for a podcast or a transcript, still frames for a thumbnail or a claim, or a looping GIF for a README — three tools that each turn a video into something that is not a video.
Working with footage you cannot upload
Medical, legal, pre-release and NDA-covered material rules out server-side tools by policy rather than preference. Local processing is often the only route that is actually permitted.
Why process video in the browser
Your file stays yours
Nothing is transmitted. The page reads the video, does the work inside this tab, and keeps the result in memory. Close the tab and it is gone — there is no retention policy because there is no retention.
No queue, no quota
There is no server to be busy and no daily job allowance. Process a 3GB file or twenty small ones in a row; the only limit is how much your own machine can chew through.
Real quality, real settings
x264, AAC, Lanczos scaling and proper CRF rate control — the same encoding machinery desktop software is built on, not a lossy shortcut through the browser's own recorder.
How it works
1. Pick a file
Drag a video onto any tool or browse for one. It is read straight from disk into the page, which is why there is no upload progress bar to sit through.
2. Choose your settings
Quality, format, resolution, timing — whatever that tool exposes. Sensible defaults are already filled in, and invalid ranges are caught before any encoding starts.
3. Run it and download
The work happens in a background worker so the page stays responsive, with a live progress percentage and a cancel button, then hands you the finished file.
Frequently asked questions
Is my video uploaded to a server?
No. Everything runs inside your own browser, so the file is never sent anywhere. The only exception is if you press "get a shareable link" on a finished result — that deliberately uploads the output to VideoToURL so it can be given a URL.
Are these video tools really free?
Yes. No account, no credit card, no watermark, no daily job limit and no file-size cap. Because the processing runs on your computer rather than ours, there is no server bill for a paid tier to recover — which is what makes an uncapped free tier sustainable rather than a trial.
Do I need to sign up or install anything?
Neither. There is nothing to install — the engine is WebAssembly your browser downloads once and caches. An account only becomes relevant if you use the link uploader and want your links to last longer than the 48 hours an anonymous upload gets.
Why does the first run take a while to start?
The video engine is about 32MB and has to be downloaded once. Your browser keeps it afterwards, so every later run — and every other tool on this site — starts immediately. The AI upscaler is the exception: it uses a different engine whose weights are only a few hundred kilobytes.
How big a file can I process?
There is no upload limit to bump into, so the practical ceiling is your own browser's memory. Multi-gigabyte files work on a desktop with headroom; an older phone will struggle long before a desktop does.
Is there a watermark on the output?
No. Nothing is added to the picture or the audio by any tool here, and there is no outro card or corner logo. What comes out is your footage, changed only in the way you asked for.
Can I use the results commercially?
Yes. No rights are claimed over anything you process and no licence conditions are added. Whatever rights your original footage carries are the only ones that apply to the result.
Do these tools work on a phone?
They run in mobile browsers, but video encoding is CPU-heavy and a phone will be much slower than a laptop on the same file. For anything longer than a minute or two, a desktop browser is the better place to do it. The AI upscaler additionally needs WebGPU, which not every mobile browser provides.
How does this compare to CloudConvert, Clideo or Kapwing?
Those are server-side services: you upload, they process, you download. That buys you heavier processing than a browser can do, at the cost of an upload, a queue, a free-tier size cap and a copy of your footage on their infrastructure. These tools trade raw horsepower for privacy, no limits and no waiting.
What about ffmpeg on the command line?
It is the same engine — ffmpeg compiled to WebAssembly — so if you already run ffmpeg locally you will not gain anything here except not having to remember the flags. These tools exist for everyone who does not want to install it or learn its syntax.
Is a browser tool slower than desktop software?
For encoding, usually yes: WebAssembly runs single-threaded here, so HandBrake or native ffmpeg will finish a large transcode faster. What you get back is no upload wait, no queue and no size cap — which on a typical clip often makes the end-to-end job quicker than a server-side tool anyway.
What happens to my file when I close the tab?
It is gone. Nothing is written to disk except what you explicitly download, nothing is stored in the browser between sessions, and nothing was ever sent to a server to be deleted later.
Need a link rather than a download? Upload the finished file and get a watch page, a direct file URL and an embed snippet.
Turn a video into a URL