Browse exact tasks, licensed drawings and font families by category.
Creator Utilities - names starting with: a. All names in this category. All categories.
Why Koldflux tools process files in your browser, how platform references are reviewed, and what we do and do not collect.
Crop video or images to 9:16, 16:9, 1:1, 4:5, 4:3 or 21:9 in your browser. Free, no upload, no watermark.
Reduce any width × height to its simplest ratio, and solve for the missing side when you know the ratio and one dimension.
Estimate how much space an audio track takes at a given bitrate, and what that costs inside a video file.
Yes - LinkedIn lists AVI for organic video on desktop, iOS and Android. Check the upload surface first, then the actual codec, duration and file size. This compatibility record does not diagnose your particular file.
AVI is not listed for TikTok Content Posting API uploads. Check the upload surface first, then the actual codec, duration and file size. This compatibility record does not diagnose your particular file.
Yes - AVI is listed among YouTube supported upload formats. Check the upload surface first, then the actual codec, duration and file size. This compatibility record does not diagnose your particular file.
For TikTok’s Content Posting API, MP4 with H.264 is the documented recommendation. AAC is this tool’s audio export choice, not an API requirement established by that source. Native composers may differ; no format guarantees acceptance.
If you only muted a player, unmute it. If you exported with this site’s mute tool, the output has no audio stream; recover sound from the original or an earlier project version. Other editors may retain a disabled track.
Burn your own logo onto a video, with control over position, size and opacity. Free, runs in your browser, and adds no watermark of its own.