lattedit: free local-first browser LaTeX editor with agent API takes on Overleaf
cneuralnetwork · x · 2026-11-15
lattedit is a free, local-first online LaTeX editor that shows source and compiled PDF side by side. Projects stay in the browser by default, export as plain ZIP archives, and sync only after sign-in.
It supports pdfLaTeX, XeLaTeX, LuaLaTeX, BibTeX and Biber, with syntax highlighting, command completion, structured compile logs, and an accessible PDF preview. Compilation runs in isolated short-lived workspaces, reuses safe auxiliary state, and skips the TeX engine on exact repeated builds.
Notably, it targets both humans and software agents: a JSON API (no account or key needed) lets agents create papers, resumes, reports or slides, import Overleaf ZIPs, diagnose LaTeX errors, and compile projects.
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