Data to Visuals
Upload a spreadsheet. Get a dashboard. Done.
What it does
Free browser-based dashboard builder for spreadsheet users. Upload any CSV or Excel file and: → Build dashboards with drag-and-drop charts → Configure with clicks — no formulas, no code → Export as PDF or PNG in one click → Save and resume your workspace anytime Your data never leaves your browser. No account. No server. No subscription. Built for anyone who wants better visuals from their spreadsheets without paying for Tableau or Power BI.
Does the same job
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Spreadsheet Dashboards from Geckoboard2020 · ▲183The smart way to share data from Excel or GSheets - now free


More dev tools this month
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Open-source GTM skills for technical founders
Dev tools · 29d ago · gtmcofounder.com

OpenTrailPaper is open-source bike computer firmware for the LilyGO T5S3 4.7" E-Paper PRO. It supports offline maps, GPX routes, FIT recording and Bluetooth sensors.
Dev tools · 2d ago · opentrailpaper.com

Launched alongside, May 2026
the whole month →

Parallel agents, diff reviewer, and multi-model comparisons
Dev tools · May 2026 · kilo.ai


- NW
Hey HN, Henry here from Cactus. We open-sourced Needle, a 26M parameter function-calling (tool use) model. It runs at 6000 tok/s prefill and 1200 tok/s decode on consumer devices. We were always frustrated by the little effort made towards building agentic models that run on budget phones, so we conducted investigations that led to an observation: agentic experiences are built upon tool calling, and massive models are overkill for it. Tool calling is fundamentally retrieval-and-assembly (match query to tool name, extract argument values, emit JSON), not reasoning. Cross-attention…
Life & fun · May 2026 · github.com
- FM
Dev tools · May 2026 · github.com