Hi everyone!
Today I’d like to share a set of tools I’ve been developing for more than a year.
I started building them because I had always wanted tools like these myself. I’ve worked in CG for over 10 years, and I’ve often been frustrated by how inefficient existing proprietary software can be. Many applications are overloaded with features, yet somehow still miss one specific function that feels absolutely essential.
I also dislike uploading my files to the cloud without having full control over what happens to them. And sometimes I only need a program for one small, five-minute task. Installing a large application just for that has always felt like a waste of time.
So, here is a collection of online applications that run directly in your browser.
I call them applications rather than online services because all processing happens on the frontend. There are no cloud servers rendering or processing your files. Everything runs locally on your own computer.
1. Image Sequence Player https://privatetools.org/tools/seqtovid/
Upload an image sequence, press Play, and that’s it.
PNG sequences can usually play in real time immediately. EXR sequences require some buffering, but yes, it can play EXR directly in the browser. After buffering, playback can reach up to 60 FPS in real time.
It also includes mouse-wheel zoom, Reset Scale, and MP4 export. You can render the sequence to MP4 directly in the browser. I previously used After Effects for this kind of task.
2. Trimy Video Editor https://privatetools.org/tools/trim/
Trimy is an intuitive video editor designed for quick and simple video operations.
As the name suggests, it originally only trimmed videos. Since then, it has grown into a surprisingly powerful video-processing tool with several unusual features. I still find it hard to believe that I built all of this and that it works as well as it does.
One major difference from Adobe Premiere is that Trimy tries to export video without re-encoding, similarly to Avidemux. You do not have to wait ten minutes just to cut a small section from a video.
More recently, I added the ability to join multiple videos without re-encoding when their formats are compatible. When one clip does not match, Trimy can convert only the incompatible section and leave the rest untouched.
In practice, this means you can assemble a very large video and export it in just a few seconds.
Because Trimy runs in a browser and requires no installation, it presented several technical challenges. For example, browsers cannot normally play ProRes video.
I created a workaround: for formats that cannot be played in the browser, Trimy renders a static preview of the current frame. You can scrub through the video and see individual frames, although continuous playback is unavailable. That is often enough for basic editing, trimming, and cropping.
Trimy also supports cropping and conversion to other formats.
You can attach or detach audio, and it provides separate video and audio tracks that can be edited similarly to conventional video-editing software.
I try to keep the Trimy interface as simple as possible. Adobe Premiere is obviously more suitable for professional editing. But when you only need to trim or join a video quickly, Trimy can be faster and more convenient than Premiere, Media Encoder, and possibly Blender. I do not remember whether Blender supports trimming without re-encoding.
3. Audio Editor https://privatetools.org/tools/audio-editor/
The name is fairly self-explanatory.
You can trim audio, join two audio files, or convert audio into another format. The workflow is designed to be fast and intuitive.
4. Universal Converter https://privatetools.org/tools/convert/
A conversion tool for images, video, and audio.
It supports less common operations such as WebP to GIF or HEIC to PNG.
Not every format is supported yet, but the list is already fairly extensive. If you need a particular format or conversion, let me know and I may be able to add it.
5. Image Editor https://privatetools.org/tools/image-editor/
A lightweight image editor with an intentionally simpler interface than Photoshop. For a complete Photoshop-style application, Photopea already exists.
My Image Editor is designed for fast everyday tasks.
You can paste an image directly from the clipboard, click “Create Caption”, add an arrow with one click, draw something, copy the result back to the clipboard, and send it.
The entire process takes only a couple of minutes. I do not know of a faster workflow on either Linux or Windows.
You can also crop images, create a collage with one click, and export to PNG or JPEG.
6. 3D Viewer https://privatetools.org/tools/3d-viewer/
A simple viewer for 3D models.
You can find the complete list of applications here:
If any of these tools look useful, consider bookmarking the site.
I’m continuing to maintain the project and develop new features. I would appreciate any feedback, bug reports, or suggestions. You can contact me here, on X, or by email. All contact options are available on the website.
Thank you for reading!