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Lith
Photo editor · on your GPU, in your browser
v1.0.0+1c52e01Build 1c52e01 · 2026-10-27© Ovidiu Ionescu
Lith edits RAW, JPEG, HEIC, AVIF and TIFF photos on your GPU, in your browser. Nothing is uploaded.
Built by Ovidiu Ionescu. Contains code from, and was inspired by, Analog Film Emulator by Jonas Wagner. Film CLUTs from G'MIC by Patrick David; PictureFX filters by Marc Roovers. RAW develop from RAWmakase, decoding by LibRaw.
FAQ
Are my images uploaded to your server?
No. Lith has no server — editing, export and every model above run in your browser.
Does the AI preset generator send my photo?
Only when you press Generate: a copy of it, scaled to 384 px on the long
side, goes to your AI provider (OpenRouter or Gemini).
Can I open RAW images?
Yes: turn on Settings → RAW → Open RAW files. CR3, NEF, ARW, RAF, DNG and
more, developed on your GPU.
Open Source
LibRawlibheifdav1djpeglionnxruntime-webbabelbabelifybluebirdesbuildexif-jsgruntgrunt-autoprefixergrunt-browserifygrunt-cligrunt-contrib-compressgrunt-contrib-connectgrunt-contrib-copygrunt-contrib-cssmingrunt-contrib-jadegrunt-contrib-uglifygrunt-contrib-watchgrunt-sassgrunt-shelljquerynormalize.csspngjsqrcode-generatorsasssharptus-js-clientunderscoreutif2
Disclaimer: Trademarked names in film emulation CLUTs are for informational purposes only, constituting fair use. No affiliation with or endorsement by trademark holders is implied.
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