DataLens.Tools

A growing collection of fast, privacy-friendly, client-side utilities.

Business

Meeting Cost Calculator

Estimate total cost, cost/minute & cost/second with live updates.

Finance

Bank PDF → CSV / XLS

Extract text from bank statements and export clean CSV/XLS. Includes smart parsing for Deutsche Bank receipts.

Finance

Invoice Generator (Client-side)

Create branded invoices, adjust logo size, save/load JSON, and print or save as PDF.

Images

JPEG Compressor

Compress & resize images in the browser. Preview and download.

Create

QR Code Generator (Advanced)

ECC, linear gradient fill, background color, logo overlay, PNG export.

Data

Email Extractor (Advanced)

Parse, deduplicate, filter by domain & visualize domain distribution.

Design

Color Palette Extractor

Extract dominant colors (K-Means / Median Cut), copy HEX, export SVG/TXT/JSON.

Develop

JSON Formatter & Validator

Validate, pretty-print, search tree, NDJSON support, CSV export (arrays).

Create

Image → ASCII / Pixel Art

Dual-mode converter with colored ASCII & PNG mosaic export.

Time

Timezone Converter

Add custom zones, live times with day/night tint.

Time

Meeting Planner Grid (Interactive)

Vertical grid, working-hour highlights, drag-select & copy summary.