Native on Apple Silicon · macOS 13+

All-in-one Toolboxfor Data Engineers

DataEngUtils is the all-in-one toolbox for data engineers — 20+ carefully crafted tools for schemas, SQL, files, and pipelines on native macOS, fully offline.

20+ carefully crafted data tools
Native macOS app — fast, beautiful, fully offline
Parquet, CSV, SQL & schemas — your data never leaves your Mac

DEDownload for macOS

brew install dataengutils

v1.0.0· macOS 13+ · Intel & Apple Silicon

Trusted by data engineers using our all-in-one toolbox at startups and enterprises

dbt
Snowflake
Databricks
BigQuery
AWS
PostgreSQL

Feature

20+ tools built for data work

Format SQL, validate dbt YAML, convert JSON to DDL, inspect Parquet row groups, parse cron schedules, debug JWTs, generate test data — all in one searchable sidebar. Fully customizable layout.

Feature

Work offline. Keep your data private.

Stop uploading production CSVs, Parquet files, and connection strings to random websites full of ads and trackers. DataEngUtils runs entirely on your Mac. No cloud. No account required to use tools.

SQL Formatter

Parquet Inspector

dbt YAML Validator

CSV to Parquet

JWT Debugger

SELECT

order_id,

customer_id,

created_at

FROM analytics.fct_orders

WHERE created_at >='2026-01-01'

Smart clipboard detection

Paste from your pipeline logs and DataEngUtils opens the right tool automatically.

0 9 * * 1-5→ Cron Expression Parser
{"id": 1, "name": "orders"}→ JSON Formatter
postgres://user:pass@host:5432/db→ Connection String Parser
PAR1… / base64 blob→ Parquet Inspector

SQL Formatter

Parquet Inspector

dbt YAML Validator

CSV to Parquet

JWT Debugger

SELECT

order_id,

customer_id,

created_at

FROM analytics.fct_orders

WHERE created_at >='2026-01-01'

Feature

Native file tools for Parquet & CSV

Convert, merge, and inspect multi-gigabyte files without loading them into memory. CSV → Parquet, Parquet → CSV, and Merge CSVs → Parquet — powered by Polars in Rust, not a browser tab.

Feature

Converters & parsers

JSON ↔ YAML, JSON → CREATE TABLE (Postgres, BigQuery, Snowflake), Unix timestamps, Avro schemas, number bases, and more.

SQL Formatter

Parquet Inspector

dbt YAML Validator

CSV to Parquet

JWT Debugger

SELECT

order_id,

customer_id,

created_at

FROM analytics.fct_orders

WHERE created_at >='2026-01-01'

Feature

Inspectors & debuggers

Parquet Inspector, JWT Debugger, Regex Tester, Connection String Parser, SQL Query Explainer, Text Diff — fast UI, instant results.

Feature

Generators

UUIDs, ULIDs, Snowflake IDs, faker-based test data, mock SQL INSERTs, hashes — bulk generation when you need volume.

SQL Formatter

Parquet Inspector

dbt YAML Validator

CSV to Parquet

JWT Debugger

SELECT

order_id,

customer_id,

created_at

FROM analytics.fct_orders

WHERE created_at >='2026-01-01'

Feature

The little details

Handcrafted native UI · Sidebar search · Code syntax highlighting · Light & dark theme · Organize tools into groups

SQL Formatter

Parquet Inspector

dbt YAML Validator

CSV to Parquet

JWT Debugger

SELECT

order_id,

customer_id,

created_at

FROM analytics.fct_orders

WHERE created_at >='2026-01-01'

What's in the box?

20+data engineering tools you'll use every week.

Format & Validate (11)

JSON Formatter
JSON Validator
YAML Formatter
SQL Formatter
dbt YAML Validator
XML Formatter
CSV Validator
JSON Schema Validator
TOML Formatter
Avro Schema Validator
Markdown Formatter

Converters (16)

JSON to YAML
YAML to JSON
JSON to CREATE TABLE
CSV to Parquet
Parquet to CSV
Merge CSVs to Parquet
Unix Timestamp Converter
JSON to CSV
CSV to JSON
Base Converter
Avro to JSON
JSON to Avro
SQL to MongoDB
HTML to Markdown
Markdown to HTML
Cron to English

Inspectors (12)

Parquet Inspector
JWT Debugger
Regex Tester
Connection String Parser
SQL Query Explainer
Text Diff
Cron Expression Parser
JSON Path Tester
Hash Identifier
UUID Inspector
XML Inspector
Log Parser

Generators (9)

UUID Generator
ULID Generator
Snowflake ID Generator
Faker Data Generator
Mock SQL INSERT
Hash Generator
Password Generator
Lorem Ipsum Generator
API Key Generator

Encoders (5)

Base64 Encode/Decode
URL Encode/Decode
HTML Entity Encode/Decode
JWT Encoder
Gzip Base64

Browse the full tool library

Integrations(v1.1)

Launch tools from Terminal, Raycast, or Alfred without leaving your flow.

Use DataEngUtils today

…and never paste pipeline secrets into a browser tab again.

DEGet DataEngUtils for macOS

brew install dataengutils

Also available on Homebrew

Frequently asked questions

How do I activate my license?

Open DataEngUtils → Settings (⌘,) → License → paste the key from your purchase email → Activate.

Can I use my license offline?

Yes. After the first activation, your license works fully offline with a 7-day grace window between online checks.

What is your refund policy?

30-day refund policy via our payment provider (Dodo Payments) or support. Refunded licenses are revoked automatically.

What is the difference between Personal and Team?

Personal includes 1 seat (1 Mac activation). Team includes 5 seats for squads. Both include all 20+ tools and one year of free updates.

I lost my license key. How do I get it back?

Use the Resend License page and enter the email you used at checkout. You can request a resend up to 3 times per hour.

Can I use my license on multiple Macs?

Personal licenses allow 1 activation. Team licenses allow 5 activations. Deactivate from Settings → License before moving to a new machine.

v1.0.0

Launch — 20+ data engineering tools in a native macOS sidebar
Offline Parquet, CSV, and SQL file tools powered by Polars
Smart clipboard detection for cron, JSON, and connection strings
Universal binary for Apple Silicon and Intel (macOS 13+)
Fully offline after license activation — your data never leaves your Mac

View all releases