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A lightweight, local editor for the Markdown, HTML, YAML, JSON & config files your agents write.
Gotta catch one of every species, starting with the Kanto region. I want to be the best trainer in the world.
Your agents write plans, notes, configs and docs into real folders on your Mac. LocalEditor opens the same ones, so the work never leaves where it lives.
Work in a local folder as a project, or open a single file straight from Finder. Nothing is imported.
Markdown, HTML, code and config open as readable pages that update live as your agent writes.
Write the next instruction into a Scratchpad while it runs, then hand the file straight over.
Let your agent read and edit the same files itself, inside the scopes you allow.
Each format gets a view that actually suits it — formatted Markdown, editable config, live HTML preview — with ⌘K to move between folders and changes saved as you type.
Markdown renders like a real page — headings, checklists, tables — and you write in it directly with slash commands. No need to remember syntax.
Sketch a flow or a wireframe. It saves as plain JSON your agent can read — you never see it.
.gitignore, .env, and YAML each get a real, editable view instead of raw syntax.
HTML files render live — real interactivity, no browser tab, no server to spin up.
⌘K to search across every open folder, files or run commands.
Hit space on a note, data, or canvas file to see it rendered, not raw.
Autosave writes only the line you changed. Frontmatter stays exact.
Files refresh the instant your agent changes them on disk.
When you both edit one file, changes merge and conflicts wait for your review.
Pick your text and code fonts, accent color and reading width.
See what changed across your branches.
Kishan V.My agents write a lot of Markdown, HTML, YAML, and config files, and I want a fast local editor that stays out of the way and never syncs anything to the cloud.
MicahI’m very impressed by the style — usually I use something like Cursor and it feels like far too much for small viewing/editing.
LakeIts simplicity and having a place for my CLIs to go to.
Alex C.Looks super helpful for both my work as a teacher and a software engineer.
Nicolas Q.A middle ground between ide and agentic environment.
Aayush A.Fed up of notion's growing interface complexity and need a simple document editor.
Rafael M.I’ve been looking for months for an app that combines all the features and the beautiful interface I’ve been seeking—I think this might be the one.
Hossain J.Quickly view my markdown files without opening a heavy ide.
AmritIt looks like it might just be that perfect balance of clean minimalism and featured functionality that im looking for.
AmanI really was missing Notepad ++ in Mac Environment.
Wherever they already are. LocalEditor opens a folder of yours — it doesn't import, copy, or move anything. There is no library and no project format; a "project" is just a folder you picked.
No, and it never will — that's a permanent principle, not a missing feature. Because your notes are plain files in normal folders, any sync you already trust (iCloud Drive, Git, Dropbox, Syncthing) works unchanged.
Only to manage your 14-day trial, licence, purchase recovery, and registered Macs. If you log in with Google, Apple, or GitHub, LocalEditor uses only the basic profile information shared through Clerk to identify the account. It does not receive access to your provider's files, email, repositories, contacts, or other content. See the Privacy Policy.
Markdown (.md) with CommonMark/GFM output plus [[wikilinks]]; HTML (.html/.htm) with a sandboxed live preview; YAML, JSON, .env, and .gitignore each with their own editable, source-preserving view; images, video, PDFs, and CSVs with inline previews; common code files with syntax highlighting; and LocalEditor's own open canvas format for freeform visual notes. Anything else opens in its default app.
Obsidian is built around a connected Markdown knowledge base. LocalEditor is built for reviewing and refining the files your agents create across an existing project.
Yes. Canvas files are plain, versioned JSON, not flattened images — element types, labels, and connections are all in the file. Sketch a wireframe or diagram once and your agent can read it directly as context, no separate design tool or screenshot needed. Canvas is still under active development, so expect some rough edges.
Free for 14 days after you log in. No payment details or licence key are needed to start. After that, LocalEditor becomes view-only until you buy a licence — a one-time purchase, not a subscription. See Pricing.
macOS only.
LocalEditor is in Beta and available now. Download the Mac app, log in with Apple, Google, or GitHub, and your 14-day trial starts automatically — no purchase or licence key needed.
Agents write. You review, edit, and shape the work—all through files that stay on your Mac.