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RelateDB is an offline-first, browser-based database schema designer. Model tables and relationships visually, import SQL or DBML, auto-arrange diagrams, and export SQL/DBML or images. No accounts, no cloud, no limits—everything runs locally in your browser for fast, frictionless schema design.
RelateDBOffline-first database schema designer in your browser
Karthik Ponnamleft a comment
I built RelateDB because most free database diagram tools I tried had friction — either the UI felt limiting, key features were locked behind paywalls, or simple workflows took too many clicks. I wanted something fast, offline-first, and frictionless: open the browser, design schemas visually, import/export SQL or DBML, and move on — no accounts, no uploads, no artificial limits. Everything...
RelateDBOffline-first database schema designer in your browser
LocalMark Studio is a local-first Markdown editor designed for speed and privacy.
What’s special here?
Local-first storage: your notes live in your browser (IndexedDB).
Real file tree: create folders + files, rename, delete.
Command palette: press ⌘⇧P (Mac) / Ctrl⇧P (Windows/Linux).
Smart paste: paste rich HTML and get clean Markdown.
Live preview: split-pane preview with scroll sync.
Extras: optional Mermaid diagrams + KaTeX math.
LocalMark StudioA fast, local-first Markdown editor for real work.
Karthik Ponnamleft a comment
Hi Product Hunt 👋 I built LocalMark Studio because I wanted a Markdown editor that: works instantly doesn’t require an account doesn’t upload my notes anywhere still feels powerful and polished Most editors are either cloud-heavy or overly complex. LocalMark Studio focuses on local storage, performance, and a clean writing experience — while still giving you real folders, exports, and advanced...
LocalMark StudioA fast, local-first Markdown editor for real work.
Karthik Ponnamleft a comment
Hey Product Hunt! I built OptiImage Local because I wanted a simple image optimizer that doesn’t require uploading files anywhere. It runs entirely in your browser using WebAssembly codecs, supports modern formats like AVIF/JXL. If you try it, I’d love feedback on: which formats you need most, whether the UI feels fast enough for big batches.
OptiImage LocalCompress, resize, and convert images — 100% on-device.
OptiImage Local is a free, privacy-first image compressor/resizer/converter that runs entirely in your browser. No uploads, no accounts—just drag, compress, convert (JPG/PNG/WebP/AVIF/JXL/QOI/ICO), and download.
OptiImage LocalCompress, resize, and convert images — 100% on-device.