A video editor with an engine under it.
Sparkle is a desktop application for people who cut for a living. GPU rendering, AI models that run on your own machine, hardware encoding that adapts to your silicon — and an editorial philosophy that never touches your cut without being asked.
Most of an edit is not editing
Before anybody makes a creative decision, somebody watches the footage end to end, marks the scene changes, groups the takes, cuts the silences, types the subtitles, and gets twelve clips from three cameras to agree on what colour the evening was.
Days of it, before the first real decision. None of it the work anyone trained for.
Tools that promise to fix this usually fix it by taking the decisions: hand over the footage, receive an edit, hope you agree. Sparkle goes the other way.
The machine takes the labour. You keep the cut.
Thousands of frames, one preview
Transitions are shaders. They run on the GPU while you scrub, and the same shaders render the final file — so the preview is not a polite approximation of the export, it is the export at a different resolution.
Heavy footage gets proxies and a scrub path built for long timelines, which is the difference between an editor you can think in and one you wait for.
Most of the AI runs on your machine
Background removal, subject segmentation and depth estimation run as local models on your own hardware. An afternoon of rushes does not have to be uploaded to become useful, and footage under embargo stays under embargo.
Speech to text can run locally too, on a Whisper model that ships with the editor. There are cloud engines as well and the default reaches for one first, so where your audio goes is a setting rather than an assumption.
Masks track across frames using optical flow rather than being redrawn shot by shot. Captions arrive with word-level timing, so they can be styled, re-cut and exported to the formats the rest of the industry expects.
The heavier generative work needs the cloud, and that part is metered where you can see it. Every account holds a balance of credits; an operation reserves what it might cost before it starts and settles for what it actually cost. Nobody discovers a bill at the end of the month.
Export that talks to your hardware
Encoding uses whatever accelerator it finds — NVIDIA NVENC, Intel Quick Sync, AMD, Apple VideoToolbox — and drops to x264, x265 or SVT-AV1 in software when there is nothing to talk to. H.264, HEVC, AV1 and DNxHR for the edit suite, with HDR handled rather than flattened.
Colour goes through a 3D LUT pipeline, so a look built elsewhere arrives intact. Audio is normalised to EBU R128 on the way out, because a delivery that fails loudness spec is a delivery you make twice.
Who it is for
Editors and small post-production teams — people who live in a timeline and notice every hour the software gives back. The desktop editor is free. Cloud AI is sold per seat, so three editors pay for three seats rather than a licence tier somebody invented.
Where it is today
Sparkle is in private preview. Editor, cloud services, accounts and billing are built and running; access opens gradually, because software that handles other people's footage and other people's money deserves to be let out slowly.