NOETRION

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Practical browser tools

Work with code and data.
Keep it on your device.

7 focused utilities for writing, development, study, and data work. Files and text are processed locally in your browser.

Text, developer & data tools

Start with a sample or bring your own local input.

TXT
TEXT TOOL

Text to TXT

Turn pasted or typed text into a UTF-8 .txt file. Choose a file name and download it directly from your browser.

Open tool{ }
DEVELOPER TOOL

JSON Formatter & Validator

Format, minify, inspect, and validate JSON without sending it to a server.

Open toolCSV
DATA TOOL

CSV ↔ JSON Converter

Convert local CSV and JSON with a table preview and careful type controls.

Open toolΣ
DATA TOOL

Data Explorer

Profile a dataset, inspect missing values, and build an appropriate chart.

Open toolUTC
DEVELOPER TOOL

Timestamp & Time Zone Converter

Convert Unix and ISO timestamps across named time zones with DST-aware output.

Open tool.*
DEVELOPER TOOL

Regex Tester

Test JavaScript regular expressions, capture groups, and replacements safely.

Open toolSQL
DATA TOOL

SQL Playground

Query sample or local datasets with DuckDB running directly in the browser.

Open tool
Connected workflow

Convert, understand, query, visualize.

  1. 1Prepare CSV or JSON
  2. 2Explore the dataset
  3. 3Query it with SQL
  4. 4Visualize the result