Private, in-browser video processing

Smart Video Compressor

Compress a video with FFmpeg.wasm, check its new file size and percentage change, then download the MP4. Your video is processed on this device and is not uploaded.

Drop a video here or browseMP4, MOV, WebM, MKV, AVI and more · Maximum size 120 MB

Video stays on your device

Compress and resize a video locally

This free video compressor uses FFmpeg.wasm in a browser worker to encode a standard MP4 with a maximum height of 720 pixels. It reports the actual output size and percentage change instead of promising a fixed reduction; results vary with each source video.

How it works

Choose a video
Select or drop a supported video file up to 120 MB. The video is processed on your device.
Compress the video
Start compression to encode a standard MP4 with a maximum video height of 720 pixels. Smaller source videos are not upscaled.
Check the result
Review the actual compressed file size and percentage saved or increased compared with the original.
Download the MP4
Download the compressed video if its size and quality meet your needs; compression can increase the size of some source videos.

Specifications and notes

Input	One supported video file up to 120 MB
Video dimensions	Maximum output height of 720 pixels; aspect ratio is preserved and smaller videos are not upscaled
Output	MP4 using H.264 video and AAC audio, with actual output size and measured percentage change
Streams	First video stream and available audio streams; embedded subtitles and other non-video streams are omitted
Runtime	FFmpeg.wasm runtime files are fetched from a CDN; selected video content remains on the device

Privacy and processing

Compression runs locally in a dedicated browser worker. The FFmpeg JavaScript and WebAssembly runtime are fetched from unpkg.com, but the selected video is neither uploaded to DigiCyberCafe nor sent to the CDN. Processing speed and available memory depend on the browser and device.

Frequently asked questions

Is my video uploaded to a server?

No. FFmpeg.wasm processes the selected video locally in a browser worker. The FFmpeg runtime files are downloaded from a CDN, but your video file is not sent to that CDN or to DigiCyberCafe.

What resolution does the compressor use?

The tool encodes videos with a maximum height of 720 pixels and preserves the aspect ratio. Smaller source videos are not upscaled.

Will every compressed video be smaller?

No. The result depends on the original codec, bitrate, dimensions, and audio. The tool reports the measured size change and can produce a larger file for some sources.

What happens to subtitles and audio?

The output is an MP4 with the first video stream and available audio streams. Embedded subtitles and other non-video streams are not included.

Why is there a 120 MB file limit?

Video encoding uses substantial browser memory and processor time. The input-size limit, single-threaded encoding, and isolated worker help keep local processing more predictable, but available memory still varies by device.

How to use this online utility carefully

This browser utility is intended to make a focused document, image, or information task easier. Start by identifying what the destination or your own workflow actually requires, then use the matching controls rather than changing settings unnecessarily. A tool-generated result is an aid: it cannot decide whether a document is legally sufficient, an image meets an authority's requirements, or a calculation applies to your circumstances.

Recommended workflow

Prepare a copy of the source where possible, check that the file type is supported, and enter only the information needed. Follow the on-screen steps in order and use the preview to catch mistakes before exporting. Browser memory, device performance, file complexity, and format support can affect completion. If an operation fails, preserve the original and try a supported, smaller copy rather than repeatedly submitting sensitive data.

Review before using or sharing

Open every exported file in a separate viewer. Verify page order, dimensions, spelling, dates, readability, file size, and any signatures or metadata relevant to your task. Compare important values with the source and follow the receiving service's latest requirements. Keep an unmodified original until you know the output is usable; a successful download or preview is not a guarantee of acceptance.

Privacy and responsible use

Many DigiCyberCafe photo, PDF, and document utilities are designed to process files in your browser. The site also has server-backed account, saved-document, office-conversion, and media-downloader functions. Processing differs by tool: read the local notice and the Privacy Policy before selecting confidential files. Browser extensions, synced browsing, downloaded outputs, and shared devices are outside our control.

A careful final check

Before you begin, identify the exact outcome you need and the rules of the service that will receive it. A file-size limit, image dimension, page order, or calculation date can be more important than a default setting. Keep source material unchanged, use only the minimum personal information required, and do not enter credentials or payment secrets into a general utility. If the browser reports an unsupported file or an incomplete result, stop and verify the source rather than assuming the export is correct.

After processing, compare the output with the source and test it in the context where it will be used. Check the receiving organization's current instructions, confirm that the format and file size are accepted, and retain a secure copy of important originals. For official, financial, legal, or identity documents, ask the responsible authority or a qualified professional when a decision depends on interpretation. These practical checks help catch common errors, but they do not replace an official review or guarantee that a result will be accepted.

Keep a clear distinction between a file saved only on your device and a file deliberately sent to an outside service. Some browser tools load fonts or models from third parties, and translation sends selected text to its provider after you give consent. Review prompts before confirming, close the page when finished on a shared computer, and delete temporary downloads or local browser data when appropriate. If a tool uses a server-backed feature, its processing route should be checked in the Privacy Policy before submitting sensitive material.

Frequently asked questions

Are all DigiCyberCafe tools fully client-side?

No. Many file utilities process in the browser, but account, saved-document, and some conversion or downloader features use servers. The Privacy Policy explains the difference.

Does a generated result guarantee acceptance?

No. Always check the receiving authority's current requirements and review the output yourself.

What should I do before processing an important file?

Keep a separate original, remove unrelated sensitive information, and read the tool's processing notice.

Where can I ask a question or report an error?

Contact the operator at ecybercafe.official@gmail.com or use the Contact page.