Data & Code

Format, validate and convert structured data.

78 tools

Access Log Parser Parse Apache / nginx access logs into structured rows.
ANSI Log → HTML Render an ANSI-colored terminal log as styled HTML.
AsciiDoc → Markdown Convert basic AsciiDoc into Markdown.
ASN.1 OID Lookup Look up well-known ASN.1 / X.509 object identifiers.
Avro Schema Viewer List fields and their types from an Avro .avsc file.
BSON Converter Convert between JSON and BSON (binary JSON, MongoDB's wire format).
CBOR Converter Convert between JSON and CBOR (RFC 8949).
Confluence → Markdown Convert Atlassian Confluence wiki markup to Markdown.
CREATE TABLE → Mermaid ER Convert CREATE TABLE statements into a Mermaid erDiagram.
CSV Column Statistics Per-column distinct count, blanks, min / max / average, most common value.
CSV Deduplicator Remove duplicate CSV rows while preserving order.
CSV Header Normaliser Rewrite CSV headers to snake_case, camelCase, PascalCase or kebab-case.
CSV Joiner SQL-style join two CSV tables on a key column.
CSV Query Sandbox Run a small SELECT/WHERE/LIMIT query against pasted CSV.
CSV to JSON Convert CSV (with header row) to a JSON array.
CSV to Markdown Table Convert any CSV to a GitHub-flavoured Markdown table.
CSV Transposer Swap rows and columns of a CSV table.
CSV Type Sniffer Infer the likely .NET type and format hint for each CSV column.
CSV → HTML Table Convert CSV into a clean <table> with thead/tbody.
CSV → SQL INSERT Generate INSERT statements from CSV (header row + data).
DBML Renderer Parse DBML and render a quick ASCII summary of tables and columns.
Excel Formula Explainer Paste any Excel / Google Sheets formula to see its structure explained.
Fixed-Width Parser Parse fixed-width columnar text into CSV.
GeoJSON to WKT / WKB Converter Convert geometries between GeoJSON, WKT and little-endian WKB hex.
Stub
GeoJSON Viewer Render a GeoJSON FeatureCollection as a flat SVG with bounds and stats.
Stub
HAR Viewer Inspect HTTP Archive (HAR) exports from browser DevTools.
HL7 v2 Message Parser Split a pipe-delimited HL7 v2 message into segments and fields.
HTML Table Extractor Extract tabular data from pasted HTML tables.
INI / Config File Parser Parse INI sections and key/value pairs into readable paths.
Java Properties ↔ JSON Convert .properties files to and from JSON.
JMESPath Playground Run JMESPath expressions (AWS CLI --query syntax) against JSON.
JSON Array Sorter / Filter Builder Sort JSON arrays and inspect filter-friendly output.
JSON Deep Merge Deep-merge two JSON documents.
JSON Diff Structural diff of two JSON documents.
JSON Flattener / Unflattener Flatten nested JSON objects into dotted paths.
JSON Formatter / Beautifier Pretty-print JSON with configurable indentation.
JSON from Prose (AI) Describe data in natural language and get well-formed JSON back.
Stub
JSON Minifier Strip whitespace and comments from JSON.
JSON Patch (RFC 6902) Apply an RFC 6902 JSON Patch to a document.
JSON Path Tester Evaluate simple JSONPath-style lookups against a JSON document.
JSON Pointer (RFC 6901) Evaluate an RFC 6901 JSON Pointer against a document.
JSON Schema Generator Infer a JSON Schema (draft-07) from a sample document.
JSON Schema Validator Validate a JSON document against a JSON Schema.
JSON to C# Class Generate C# record / class definitions from a JSON sample.
JSON to CSV Convert a JSON array of objects into CSV.
JSON to Go Struct Generate Go struct definitions from a JSON sample.
JSON to JSDoc Typedef Generate JSDoc @typedef definitions from a JSON sample.
JSON to Kotlin Data Class Generate Kotlin data class definitions from a JSON sample.
JSON to Swift Struct Generate Swift Codable struct definitions from a JSON sample.
JSON to TypeScript Types Generate TypeScript interface definitions from a JSON sample.
JSON to XML Convert JSON to a clean XML representation.
JSON to YAML Convert JSON to clean, readable YAML.
JSON Validator Validate JSON and pinpoint the exact error location.
JSON → SQL CREATE TABLE Infer column types from JSON and emit a CREATE TABLE statement.
Stub
JSON5 Decoder Convert JSON5 (with comments, trailing commas, etc.) to strict JSON.
JSONPath Playground Run JSONPath expressions against any JSON document.
MessagePack Converter Convert between JSON and MessagePack (hex / base64).
MongoDB Explorer Connect to MongoDB and explore your data — list databases and collections, run find queries, view documents, insert and delete.
Stub
NDJSON Formatter Format newline-delimited JSON documents.
Org Mode → Markdown Convert Emacs Org-mode text into Markdown.
Parquet Schema Viewer Upload a Parquet file to inspect its schema, columns and row count.
Pivot Table Builder Pivot any CSV by row, column and aggregated value — no spreadsheet needed.
Plist (Apple) ↔ JSON Convert between Apple property list (plist XML) and JSON.
Stub
Protobuf Schema Viewer Inspect Protobuf messages and field declarations.
RTF → Plain Text Strip RTF control words and groups to recover plain text.
Schema-Driven Mock Data Generator Generate believable fake test data from a simple field:type schema as JSON, CSV or SQL.
Stub
SQL Client Connect to SQL Server, PostgreSQL or MySQL and run queries — browse tables, preview rows and execute SQL in your browser.
Stub
SQL Formatter Pretty-print SQL queries with consistent indentation.
SQL to JSON Output Simulator Sketch mock JSON result sets from SQL-like input.
SQL → MongoDB find() Translate a basic SELECT/WHERE/LIMIT SQL into a MongoDB find() call.
Text-to-Columns Parser Split delimited or fixed-width text into clean columns and re-emit as CSV, TSV or JSON.
Stub
TOML Formatter / Validator Parse, validate and pretty-print TOML documents.
TOML ↔ JSON Converter Convert between TOML config and JSON in both directions.
TSV ↔ CSV Converter Switch between tab-separated and comma-separated tables.
XML Formatter Pretty-print or minify XML documents.
XML to JSON Convert XML documents to JSON.
YAML Formatter / Validator Format and validate YAML documents.
YAML to JSON Convert YAML to clean, indented JSON.