SQL Over Files — Query CSV, Excel & JSON Online — Free Online Tool

Run real SQL over your files in your browser — drop CSV, Excel, or JSON, filter with WHERE, summarize with GROUP BY, join two files, and export answers as CSV. 100k+ rows, no uploads, no signup, works offline.

SQL Over Files — Query CSV, Excel & JSON Online is part of JSON & Data Converters on Rajlabs. It runs entirely in your browser — your files and text are never uploaded to a server. The same tool is available on all three primary hosts: utility.rajlabs.in, tools.rajlabs.in and utils.rajlabs.in. Bookmark https://utility.rajlabs.in/sql-over-files or install it as a standalone app from your browser.

What you can do

Run real SQL over your files in your browser — drop CSV, Excel, or JSON, filter with WHERE, summarize with GROUP BY, join two files, and export answers as CSV. 100k+ rows, no uploads, no signup, works offline. With SQL Over Files — Query CSV, Excel & JSON Online you get live results as you type, one-tap presets for common cases, copy buttons, download/export (PDF, PNG, CSV, JSON where applicable) and a shareable URL that remembers your inputs. Dark mode and mobile responsiveness are built in — it looks great on phone, tablet and desktop.

How to use

1. Open SQL Over Files — Query CSV, Excel & JSON Online at https://utility.rajlabs.in/sql-over-files.
2. Enter or upload your data — the tool validates and previews instantly in the browser.
3. Adjust presets, then copy, download or share the result. Add ?param=value to the URL to prefill for sharing.

Why this tool is different

• Private & offline: 100% client-side — no data leaves your device. Works on slow networks after first load.
• Accurate & fast: exact constants, Indian formats (crore/lakh, IFSC, bigha) and exam presets where relevant.
• Installable: install SQL Over Files — Query CSV, Excel & JSON Online as its own app icon (PWA) — it opens directly to this tool.
• Free & no watermark: unlimited use, no signup, no ads covering content.

Tips

Use the category navigation to discover related tools — for example, after using SQL Over Files — Query CSV, Excel & JSON Online try other JSON & Data Converters tools from the homepage. If you need a different format, the URL Lab, Code Formatter or Converters can chain your output. Found a bug or want a preset? Open an issue on GitHub — Rajlabs ships updates weekly.

Frequently Asked Questions — SQL Over Files — Query CSV, Excel & JSON Online

Is SQL Over Files — Query CSV, Excel & JSON Online free to use?

Yes, SQL Over Files — Query CSV, Excel & JSON Online is completely free with no limits, no watermark, and no signup. It runs 100% in your browser.

Does SQL Over Files — Query CSV, Excel & JSON Online upload my files to a server?

No. SQL Over Files — Query CSV, Excel & JSON Online processes everything locally in your browser using JSON & Data Converters client-side engines (Canvas, pdf-lib, FFmpeg WASM, Tesseract). Your data never leaves your device.

How do I use SQL Over Files — Query CSV, Excel & JSON Online?

Open SQL Over Files — Query CSV, Excel & JSON Online at https://utility.rajlabs.in/sql-over-files, enter or upload your data, adjust presets — results update live. Then copy, download or share via URL. You can also install it as a PWA for one-tap offline access.

How to use SQL Over Files — Query CSV, Excel & JSON Online

1. Open SQL Over Files — Query CSV, Excel & JSON Online at https://utility.rajlabs.in/sql-over-files.
2. Enter or upload your data — the tool validates and previews instantly in your browser.
3. Adjust presets, then copy, download or share via URL (?param=value) for reuse. Install as PWA for offline access.

Published 2024-08-15 · Updated 2026-10-06 · Open SQL Over Files — Query CSV, Excel & JSON Online · Browse all 154+ tools

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