All tools
Free, no signup, and everything runs in your browser.
Available in DataToolbox
SQL Formatter
Beautify SQL queries across MySQL, PostgreSQL, BigQuery, Snowflake, and more.
CSV / JSON / YAML / XML Converter
Convert between CSV, JSON, YAML, and XML with schema-aware previews.
Schema Diff Tool
Compare CREATE TABLE definitions and export migration-ready diffs.
Mock Data Generator
Generate reproducible fake datasets as JSON, CSV, SQL INSERTs, or YAML.
SQL Query Complexity Analyser
Estimate joins, CTE depth, subqueries, and complexity hotspots in SQL queries.
Markdown to HTML
Write Markdown in a split-pane editor and copy clean HTML output.
Available in DevToolbox
JSON Formatter + Validator
Pretty-print, validate, diff, query, and convert JSON in your browser.
Regex Tester
Test regex live with group highlighting, replacements, and cheatsheets.
Epoch / Unix Timestamp Converter
Convert Unix timestamps to dates across timezones and back again.
Cron Expression Builder
Generate, validate, and preview cron expressions across multiple runtimes.
JWT Decoder
Decode JWT headers and payloads locally with expiry and signature insights.
Hash Generator
Generate hashes and HMAC values for text and files in your browser.
Base64 Encoder / Decoder
Encode, decode, preview files, and work with URL-safe Base64 values.
YAML Validator + Formatter
Validate, format, and convert YAML to JSON or TOML in your browser.
Coming soon
SQL AI Explainer
Paste a SQL query and get a concise plain-English explanation plus performance notes.
dbt Model Generator
Generate dbt models, tests, schema.yml, and sources.yml from raw SQL or DDL.
Parquet Viewer
Open Parquet files locally, inspect schema, preview rows, and export visible data.
Fabric Lakehouse Schema Designer
Design Fabric Lakehouse schemas visually and export Spark, Delta, and dbt artifacts.
dbt Lineage Visualizer
Upload a dbt manifest.json and explore your DAG in an interactive lineage graph.
SQL to PySpark Translator
Translate SQL queries into PySpark DataFrame API with explanations.