ProDevTools Toolbox

Your ultimate suite of developer utilities. Local processing, premium dark mode, and high-performance tools for modern engineering workflows.

Data Visualization

Browse and preview columnar and structured data files directly in your browser, without loading them into a database.

Parquet Visualizer
High-performance Parquet file viewer with schema inspection.
CSV Visualizer
Fast CSV viewer with local processing and filtering.
Excel Previewer
Preview Excel spreadsheets directly in your browser.
Avro Viewer
Inspect binary Avro files and schemas locally.
ORC Viewer
Optimized Row Columnar viewer for big data.
JSONL Viewer
View and filter newline-delimited JSON datasets.
Schema Inspector
Detailed schema and data type analysis for datasets.

Big Data Formats

Inspect metadata, snapshots, and schemas for modern data lake table formats like Delta Lake and Iceberg.

Delta Lake Explorer
Explore local or remote Delta Lake tables and history.
Iceberg Metadata
Inspect Apache Iceberg table metadata and snapshots.

Data Engineering

Query, transform, and debug data pipelines — run SQL against local files, decode Spark and Kafka errors, and trace dbt lineage.

SQL Query Tool
Run SQL queries against local files using DuckDB.
SQL Query Visualizer
Visualize multi-stage data lineage, SQL transformations and procedural CTE flows.
Spark Error Decoder
Analyze Spark logs to identify OOM errors, shuffle failures, and more.
Kafka Message Decoder
Decode Kafka messages in JSON, Base64, Hex, and Confluent Avro wire format.
DBT Lineage Viewer
Visualize dbt model dependencies and data lineage from manifest.json.
CSV to JSON
Convert large CSV files to JSON format instantly.

Security & Auth

Decode tokens, hash and verify secrets, and generate strong credentials — all processed locally in your browser.

JWT Decoder
Decode and inspect JWT tokens locally and securely.
JWT Expiry Checker
Check JWT expiry, issued-at, and remaining lifetime.
Base64 Tool
Encode and decode Base64 strings with ease.
Hash Generator
Generate secure SHA-256, SHA-512, MD5, and HMAC hashes.
UUID Generator
Generate high-entropy random UUIDs instantly.
API Key Generator
Generate secure API keys in multiple formats with custom prefix.
Bcrypt Generator
Hash and verify passwords with bcrypt in your browser.
Password Generator
Generate strong, secure random passwords.

JSON / SQL Tools

Format, validate, convert, and visualize structured data formats — JSON, SQL, XML, and YAML — plus test and generate API requests.

JSON Formatter
Beautify, minify, and validate JSON data.
JSON Diff Checker
Compare two JSON objects side-by-side.
JSON Path Tester
Query JSON data using JSONPath expressions.
JSON Schema Generator
Generate a JSON Schema (Draft-07) from a sample JSON document.
JSON Tree Visualizer
Explore JSON as an interactive, collapsible tree.
JSON to TypeScript / Python
Generate TypeScript interfaces or Python dataclasses from JSON.
SQL Formatter
Format and beautify SQL queries for readability.
SQL Query Converter
Convert SQL between MySQL, PostgreSQL, Snowflake, and BigQuery dialects.
ER Diagram Generator
Generate Entity Relationship diagrams from SQL CREATE TABLE statements.
API Tester
Lightweight REST client for quick API testing.
Curl Generator
Convert API requests into curl commands with headers and auth.
Timestamp Converter
Convert between Unix Epoch, ISO, and Local time.
XML Formatter
Beautify, validate, and convert XML to/from JSON.
YAML Validator
Validate and convert YAML to/from JSON.
POM Visualizer
Visualize Maven pom.xml dependencies, modules, plugins, and properties.

Text & Encoding

Work with text, patterns, and formats — test and generate regex, diff files, preview Markdown/HTML, and convert timezones and encodings.

Regex Tester
Test regular expressions live with match highlighting and group capture.
Regex Generator
Generate regex patterns automatically from sample text.
Regex Decoder
Decode any regex pattern into a plain-English explanation.
Diff Checker
Compare two code or text files side-by-side with syntax highlighting.
URL Encoder/Decoder
Encode and decode URLs and URI components instantly.
Markdown Previewer
Write and preview Markdown with live rendering.
HTML Previewer
Live preview HTML in a sandboxed iframe.
Unicode Converter
Convert text to Unicode code points, HTML entities, and UTF-8 bytes.
Timezone Converter
See a datetime across 14 world timezones simultaneously.

Cloud & DevOps

Build and decode the config that glues infrastructure together — cron schedules, AWS ARNs, Docker Compose, Terraform, and Kubernetes manifests.

Cron Generator
Build and explain cron expressions with a visual editor and presets.
AWS ARN Decoder
Decode AWS ARN into partition, service, region, account, and resource.
Docker Compose Generator
Build docker-compose.yml files with a visual form editor.
Terraform Formatter
Format and beautify HCL/Terraform configuration files.
Kubernetes YAML Visualizer
Parse and visualize Kubernetes manifests with resource cards.

Productivity

Generate the boilerplate around your project — .env files, .gitignore, README docs, changelogs, and conventional commit messages.

ENV Generator
Generate secure .env files for your projects.
Gitignore Generator
Generate .gitignore files for your projects.
Markdown Table Generator
Create Markdown tables with an interactive builder.
README Generator
Generate a professional README.md from a guided form.
Commit Message Generator
Create conventional commit messages with a structured form.
Changelog Generator
Generate Keep a Changelog formatted release notes.
Code Snippet Manager
Save and organize code snippets with Monaco Editor, tags, and search.

Design & Media

Create and optimize visual assets — QR codes, barcodes, color conversions, and lightweight SVG/image processing.

QR Code Generator
Generate QR codes with custom colors and sizes.
Barcode Generator
Generate CODE128, EAN, UPC, and other barcodes.
Color Picker
Pick colors and convert between HEX, RGB, and HSL formats.
SVG Optimizer
Remove bloat from SVG files and preview the result.