DataToolbox Tools
DataToolbox is a growing library of fast, browser-based utilities for common data tasks. You can convert CSV and JSON formats, clean inconsistent exports before import, and run developer-focused checks like encoding, decoding, hashing, regex testing, and SQL formatting. These tools are built for analysts, developers, operations teams, and spreadsheet-heavy workflows that need quick, reliable output without local setup. Every page includes practical examples, step-by-step instructions, and links to related tools and guides so you can move from raw input to production-ready data faster. Instead of acting like a simple link directory, this page is a starting point for complete workflows: discover the right category, run the transformation, verify output with adjacent validators, and follow problem-based guides when you need a repeatable process. Whether you are preparing CSV imports, inspecting JSON payloads, or debugging production issues, the goal is to reduce manual work and help you ship cleaner data with less friction.
Browse category hubs
CSV Tools
Use CSV tools to clean spreadsheet exports, validate row structure, map column names, and convert data into JSON or SQL before uploading to applications and databases. This category is strongest when you need import-ready files, predictable headers, and quick fixes for messy operational exports from business systems.
JSON Tools
JSON tools help you validate syntax, format payloads, minify output, flatten nested structures, and convert API responses into CSV for reporting and analysis workflows. It is aimed at engineers and data teams working with logs, webhooks, and API responses that require fast inspection before data is pushed into applications, reports, or automated pipelines.
Data Cleaning Tools
Data cleaning pages focus on practical pre-processing tasks like deduplicating rows, normalizing values, splitting oversized files, and preparing import-ready datasets with fewer downstream errors. These tools are useful when upstream exports are inconsistent and your team needs reliable, repeatable cleanup steps before loading data into CRMs, SQL databases, or reporting systems.
Developer Data Tools
Developer data tools support day-to-day engineering tasks including JWT inspection, Base64 and URL encoding, hash generation, timestamp conversion, and SQL formatting for faster debugging. They are designed for backend, frontend, and QA workflows where small transformations are frequent, context switching is costly, and you need deterministic output directly in the browser.
- CSV to JSON Converter
Convert CSV rows into structured JSON objects for apps and APIs.
- JSON to CSV Converter
Convert JSON arrays of objects into spreadsheet-ready CSV instantly for Excel, Google Sheets, and CSV imports.
- CSV to SQL Generator
Generate CREATE TABLE and INSERT statements from CSV data.
- JSON Flatten / JSON to CSV
Flatten nested JSON into dot-notation fields and convert to CSV.
- CSV Cleaner
Clean and normalize messy CSV with deterministic data-cleaning options.
- CSV Column Mapper
Rename CSV headers using simple source:target mapping rules.
- CSV Validator
Check CSV structure for inconsistent rows.
- JSON Formatter
Beautify JSON with indentation.
- JSON Validator
Validate JSON syntax instantly.
- JSON Minifier
Compress JSON by removing whitespace.
- JSON Schema Generator
Generate a JSON Schema draft from sample JSON input.
- NDJSON to CSV Converter
Convert newline-delimited JSON records into CSV columns.
- Remove Duplicate Lines
Keep unique lines while preserving order.
- Sort Lines Alphabetically
Sort multiline text in alphabetical order.
- Extract Emails from Text
Find and list emails from any text block.
- Extract Numbers from Text
Pull numeric values from mixed text.
- Character Counter
Count characters, words, and lines in text input.
- Slug Generator
Convert text into clean URL-friendly slugs.
- Text Diff Checker
Compare two text blocks and see lines that changed.
- Password Generator
Generate strong passwords with selectable length and character sets (uppercase, lowercase, numbers, symbols).
- Random String Generator
Generate random alphanumeric strings for test data.
- YAML Validator
Validate YAML syntax, catch indentation errors, and troubleshoot line-level issues quickly.
- Website Tech Stack Detector
Detect website technology stack from a URL. Find likely framework, hosting/CDN, analytics, and libraries with confidence and evidence.
- Word Counter
Count words, characters, lines, and paragraphs in text.
- Case Converter
Convert text between upper, lower, title, sentence, kebab, snake, and camel case.
- Remove Line Breaks
Collapse multiline text into one line or normalize line breaks.
- Remove Extra Spaces
Normalize repeated spaces and clean uneven spacing in text.
- Remove Empty Lines
Delete blank lines from multiline text while keeping content lines in order.
- Reverse Text
Reverse text characters or reverse word order for quick text transformations.
- Extract URLs from Text
Find and list HTTP/HTTPS URLs from mixed text input.
- CSV Viewer
Preview CSV data as a readable table with delimiter support.
- HTML Encoder
Escape unsafe HTML characters into entity-safe text.
- HTML Decoder
Decode HTML entities back into readable text.
- YAML Formatter
Format YAML with consistent indentation for readability.
- YAML to JSON Converter
Convert valid YAML into formatted JSON output.
- JSON to YAML Converter
Convert JSON objects into YAML format.
- Curl to Fetch Converter
Convert curl commands into JavaScript fetch() code.
- Cron Expression Builder
Build 5-field cron expressions from structured schedule input.
- Lorem Ipsum Generator
Generate placeholder text by words, sentences, or paragraphs.
- Markdown to HTML Converter
Convert Markdown text into clean HTML output.
- HTML to Markdown Converter
Convert HTML into Markdown-friendly text.
- JSON Diff Checker
Compare two JSON documents online and highlight added, removed, and changed paths instantly.
- XML Validator
Validate XML and instantly detect syntax errors with line-level hints before using XML in APIs, feeds, or config workflows.
- XML to JSON Converter
Convert XML documents into structured JSON.
- JSON to XML Converter
Convert JSON objects into XML markup.
- Query String Builder
Build URL query strings from JSON parameters.
- Query String Parser
Parse query strings or URLs into JSON parameters.
- HMAC Generator
Generate HMAC-SHA256 digests from secret and message.
- Bcrypt Hash Generator
Generate bcrypt password hashes with configurable rounds.
- Base64 Encoder
Encode plain text into Base64 format.
- Base64 Decoder
Decode Base64 content back into readable text.
- UUID Generator
Generate random UUID v4 identifiers instantly.
- URL Encoder
Encode text for safe use in URL query strings.
- URL Decoder
Decode URL-encoded strings into readable text.
- Regex Tester
Test regex online and generate starter regex from plain-English descriptions.
- Mermaid Editor
Write Mermaid syntax, preview diagrams, and export SVG or PNG instantly.
- JWT Encoder
Encode JSON header and payload into an unsigned JWT token.
- JWT Decoder
Decode JWT header and payload claims instantly in your browser.
- Hash Generator
Generate MD5 and SHA hashes from text input.
- JSON Path Extractor
Extract nested values from JSON using dot and bracket path syntax.
- Cron Expression Parser
Explain 5-field cron expressions in readable language.
- SQL Formatter
Format SQL queries with normalized spacing and readable line breaks.
- SQL Minifier
Minify SQL by removing comments and extra whitespace.
- SQL to CSV Converter
Convert SQL INSERT VALUES statements into CSV rows.
- CSV Merge Tool
Merge two CSV blocks into one output with unified headers.
- CSV Splitter
Split one CSV into chunk previews by row count.
- NDJSON Formatter
Format newline-delimited JSON into readable pretty blocks.
- URL Parser
Parse URL components and query parameters online for debugging and API troubleshooting.
- Date Format Converter
Convert date strings and timestamps into common machine-readable formats.
- Timestamp Converter
Convert Unix timestamps and date strings into readable time formats.