Developer
Format, validate, inspect and convert developer data and code.
Data
JSON Formatter
Format, validate and minify JSON.
Base64 Encoder
Encode text to Base64 or decode it safely.
JSON Path Explorer
Explore JSON Pointer paths and extract nested values locally.
JSON ↔ CSV Converter
Convert flat JSON records and strict CSV with explicit nested-data and type rules.
CSV Column Editor
Extract, insert, delete, swap, rename and replace CSV column data.
JSON Structure Analyzer
Count JSON nodes, types, object keys, depth and sample paths.
JSON Flatten & Unflatten
Flatten JSON to reversible typed Pointer nodes and restore it.
XML Structure Inspector
Inspect XML elements, attributes, namespaces, text and paths.
YAML Validator & Formatter
Validate YAML core types and format with explicit comment-loss choice.
CSV ↔ XML/YAML Converter
Convert strict CSV tables to XML or YAML and back with explicit flat-record rules.
JSON ↔ TSV/Properties Converter
Convert flat JSON string records and TSV or string properties.
XML ↔ YAML/TSV Converter
Convert XML to typed YAML trees or tabular TSV without dropping unsupported content.
Structured Data Conversion Workspace
Preview and convert among supported CSV, JSON, XML, YAML, TSV and Properties pairs.
XML Formatter & Validator
Validate and format XML locally with browser parsing.
CSV Column Profiler
Report row, uniqueness, duplicate, empty, type, length and frequency statistics.
CSV Validator and Repairer
Validate CSV row widths and repair reviewable problems.
JSON Difference Checker
Compare JSON values recursively with JSON Pointer paths.
JSON Repair Tool
Repair common unambiguous JSON syntax problems.
JSON Schema Validator
Validate JSON against supported schema rules with precise paths.
XML–JSON Converter
Convert well-formed XML into structured JSON safely.
YAML–JSON Converter
Convert safe YAML data and JSON in either direction.
Web & API
URL Encoder
Encode and decode URL values safely.
cURL Command Builder
Create copyable cURL commands from HTTP method, URL, headers and body.
API Response Viewer
Inspect pasted HTTP responses and extract valid JSON bodies.
OpenAPI Viewer
Browse paths, methods, parameters and responses in OpenAPI 3.x JSON.
HTTP Header Parser
Parse repeated headers and report common security omissions.
JWT Inspector
Decode JWT claims and optionally verify HS256 locally.
URL Query Parameter Editor
Add, replace, remove and export URL query parameters.
Code
Color Converter
Convert HEX colors to RGB values.
HTML Formatter
Normalize HTML and indent element-only branches with browser parsing.
CSS Formatter & Minifier
Normalize CSS rules through the browser parser.
Git Diff Viewer
Summarize and safely highlight unified Git diffs.
SQL Formatter and Minifier
Format or minify SQL without changing quoted values.
Visual Regex Builder and Tester
Build, test, extract, replace and highlight regular expressions.
Diagnostics
UUID Generator
Generate secure version 4 UUIDs.
Unix Timestamp Converter
Convert Unix timestamps to readable dates and back.
SHA-256 Generator
Generate a SHA-256 checksum from text.
File SHA-256 Checksum
Calculate and compare the SHA-256 checksum of a local file.
Environment Key Checker
Compare .env and .env.example keys without showing their values.
Cron Expression Explainer
Validate and explain standard five-field cron expressions.
Environment Variable Parser
Parse env files with duplicate checks and secret redaction.
Log File Analyzer
Summarize levels, timestamps, addresses and matching log lines.
Stack Trace Cleaner
Redact paths and remove duplicate or runtime stack frames.