New Techie Tools that solve real tech problems.
FREE ONLINE TECH TOOLS

Little tools.
Big fixes.

Focused browser-based utilities for software developers, data analysts and automation engineers. Inspect data, troubleshoot SQL, generate code and validate common workflows without creating an account.

Explore free tools How it works
✓ Free to use ✓ No sign-up ✓ Browser-based processing

BLOG

Latest blog posts and practical guides

20 TOOLS · 15 AVAILABLE

Tools for your everyday workflow

Search utilities for SQL, data analysis, APIs, automation and software development.

▦LIVE

Power BI Relationship Auditor

Find duplicate dimension keys, blank keys and unmatched fact rows before creating Power BI relationships.

Open tool →
⇄LIVE

SQL JOIN Fan-out Analyzer

Analyze join keys, unmatched records and potential row multiplication across two CSV datasets.

Open tool →
⚙LIVE

Docker Compose Env Checker

Compare Docker Compose variable references with an .env file to find missing, empty and unused variables.

Open tool →
◴LIVE

MySQL Timestamp Generator

Generate MySQL column definitions for automatic created_at and updated_at timestamps.

Open tool →
⇆LIVE

SQL INSERT-SELECT Mapper

Map INSERT target columns to source tables and SELECT expressions in common SQL statements.

Open tool →
⚙LIVE

KNIME Rule Engine Simulator

Test supported KNIME Rule Engine expressions against sample records with first-match evaluation.

Open tool →
❓LIVE

SQL NULL Logic Playground

Explore SQL TRUE, FALSE and UNKNOWN results with interactive AND, OR, NOT and NULL examples.

Open tool →
⇄LIVE

API Pagination Inspector

Inspect JSON responses and Link headers to identify cursor, offset and next-page pagination patterns.

Open tool →
PyLIVE

Python Requirements Conflict Checker

Find duplicate package declarations and obvious version-constraint conflicts in requirements.txt.

Open tool →
JSLIVE

package.json Lockfile Checker

Compare package.json dependencies with package-lock.json to identify missing entries and version drift.

Open tool →
fxLIVE

DAX Filter Context Explainer

Explore how CALCULATE and common DAX filter modifiers change a sample filter context.

Open tool →
⚠LIVE

SQL UPDATE / DELETE Safety Checker

Flag missing WHERE clauses and broad conditions in SQL UPDATE and DELETE statements.

Open tool →
MLIVE

Power Query Locale Generator

Generate culture-aware Power Query M code for date, number and time conversions.

Open tool →
CSVLIVE

CSV Import Readiness Auditor

Validate CSV structure, quoting, column counts, headers and likely data types before import.

Open tool →
{ }LIVE

JSON Array Structure Checker

Find missing properties, explicit nulls and mixed value types in JSON array records.

Open tool →
SQLCOMING SOON

MySQL UPSERT Simulator

Compare how MySQL INSERT IGNORE, REPLACE and ON DUPLICATE KEY UPDATE handle sample rows.

Coming soon
GitCOMING SOON

Gitignore Rule Explainer

Test file paths against .gitignore patterns and inspect which rule matches.

Coming soon
ENVCOMING SOON

Environment File Comparator

Compare environment variable names across files while masking sensitive values.

Coming soon
MCOMING SOON

Power Query M Dependency Viewer

Visualize references between named steps in a Power Query M expression.

Coming soon
n8nCOMING SOON

n8n Expression Sandbox

Test supported n8n expression patterns against sample workflow data.

Coming soon
No tools match that search. Try another keyword or category.
Each utility is built for a specific task. Review its supported inputs and limitations before using results in a production workflow.

BROWSE BY TOPIC

Pick your corner of tech

Filter the toolbox by the tools and workflows you work with.

🗃

SQL & Databases

Queries, joins, MySQL and data checks.
📊

Power BI & Data

Relationships, Power Query and DAX helpers.
⚙

Automation

KNIME, n8n and workflow expression tools.
🛠

DevOps & Git

Docker, environment files and Git utilities.

Python & JavaScript

Packages, JSON and web development tools.
⚡

General Utilities

CSV, APIs and everyday developer tasks.

ABOUT THIS PROJECT

Practical tools for everyday tech problems.

NewTechie Tools is a growing collection of focused utilities for developers, data analysts and automation engineers. Each tool is designed to solve a specific technical problem quickly, with no complicated setup.

✓No account required to use the tools
✓Browser-based processing; no tool server
✓Practical examples and clear results
✓Small tools built around real problems