Data Tools
Process and transform data: CSV, Excel, JSON, XML and more. Analyze, convert, merge, and manipulate structured data efficiently in your browser.
Conversion 5
Data Storage Conversion 5
All Data Storage Units
Convert all data storage units instantly. Bytes, KB, MB, GB, TB, PB, bits, Kbit, Mbit, Gbit in one tool. Free online converter with formulas and table.
GB to B
Convert gigabytes to bytes instantly: 1 GB = 1,073,741,824 B (binary) or 1,000,000,000 B (decimal). Free GB→B calculator with correct GiB vs GB SI handling.
KB to B
Convert kilobytes to bytes instantly: 1 KB = 1024 B (binary) or 1000 B (decimal). Free KB→B calculator with precise IEC vs SI handling for storage and networking.
MB to B
Convert megabytes to bytes instantly: 1 MB = 1,048,576 B (binary) or 1,000,000 B (decimal). Free MB→B calculator with correct MiB vs MB handling for files and networks.
TB to B
Convert terabytes to bytes instantly: 1 TB = 1,099,511,627,776 B (binary) or 1,000,000,000,000 B (decimal). Free TB→B calculator with correct TiB vs TB SI handling.
Data Tools 23
Data Converter Hub
Convert CSV, JSON, XML, YAML, Excel and SQL INSERT statements both ways. Fast, private, offline conversion in your browser - nothing is uploaded.
Schema Extractor
Generate TypeScript, JSON Schema, Go, Python, Java and C# types from a JSON or CSV API response. Detects enums, optional and nullable fields. Free, private.
Chart Builder
Turn CSV or JSON into bar, line, area, pie, doughnut or radar charts. Stacked series, dark theme, custom colors, PNG/SVG/PDF export. Free.
YAML-JSON Converter
Convert YAML to JSON and back, including multi-document Kubernetes manifests. Upload files or paste data; all processing stays in your browser.
JSON Tree Viewer
Explore JSON as a collapsible tree, run JSONPath queries, search keys/values, and see depth, size & key-count stats. Download filtered results. Free.
Data Merger
Merge, combine and concatenate multiple CSV or JSON files in your browser. Private client-side tool with union/intersect joins and duplicate removal.
CSV-SQL Converter
Convert CSV to SQL INSERT and CREATE TABLE or SQL back to CSV in your browser. Pick MySQL, Postgres, SQLite or SQL Server dialect with batch multi-row inserts.
XML-JSON Converter
Convert XML to JSON and JSON to XML online, in your browser, no upload. Keeps attributes, CDATA, leading zeros and nested structures intact.
JSON Path Finder
Free online JSONPath tester and evaluator. Filter, slice, recursive-descent and extract JSON fields, returning values, canonical paths or JSON Pointers.
JSON Diff Checker
Structural deep compare for two JSON objects: pinpoints added, removed and modified keys plus per-index array element changes with full dot-path navigation.
Pivot Table
Free Excel/Google Sheets alternative: build CSV or JSON pivot tables in your browser. Sum, count, average, min, max - private, no upload.
CSV to Excel
Open CSV in Excel without uploading. Auto-detect comma, semicolon or tab delimiters, keep UTF-8 and leading zeros as text, and export clean .xlsx offline.
Excel to CSV
Convert Excel (.xlsx, .xls) to CSV in your browser, no upload. Choose sheet, delimiter, UTF-8 BOM and RFC 4180 CRLF/LF line endings for clean imports.
JSON to CSV
Convert JSON to CSV online free. Flatten nested JSON, pick any delimiter, add a UTF-8 BOM for Excel, and download a spreadsheet-ready CSV in your browser.
CSV to JSON
Convert CSV or TSV to JSON in your browser: array of objects, array of arrays, or NDJSON, with type inference, custom delimiters and nested dot-notation keys.
CSV Cleaner
Clean CSV & JSON online: deduplicate, fix UTF-8 encoding, remove blank rows, profile column quality. 100% browser-based, no upload, private.
CSV Encoder
Fix CSV/TSV delimiters, add UTF-8 BOM for Excel, normalize quotes and line breaks, and validate column counts against RFC 4180 before import.
CSV Filter & Query
Filter, search and query CSV or JSON in your browser—stack multiple AND/OR conditions, run SQL with GROUP BY, sort and export. No upload, fully private.
CSV Splitter
Split large CSV or TSV files by rows or size to fit Excel's 1,048,576-row limit. Header preserved, random sampling, 100% local in-browser, free.
CSV Viewer & Editor
View, edit and clean CSV files in your browser: remove blank and duplicate rows, fix delimiters, export to CSV or JSON. No upload, fully offline and private.
Data Deduplicator
Dedupe CSV & JSON by key columns: remove duplicate emails, fuzzy whitespace/case matching, keep first or last. Private, browser-only data cleaning.
Excel Viewer
Preview Excel spreadsheets (.xlsx, .xls) in your browser. Switch sheets, copy to clipboard, export CSV. SheetJS-powered, files never leave your device.
Parquet Viewer
Browser-native Apache Parquet viewer. Opens SNAPPY, GZIP and ZSTD-compressed files, previews columnar data, exports to CSV/JSON. Files stay on device.
Developer Tools 1
Generators 1
UUID Batch Generator
Generate up to 10,000 UUIDs: random v4, time-ordered v7, deterministic name-based v5 (namespace + name). Export TXT, CSV, JSON or SQL INSERT.
Geography & Mapping Tools 5
Reverse Geocoder
Free reverse geocoder: convert GPS coordinates (latitude/longitude) to street addresses. Get detailed location information from coordinates instantly.
Address Geocoder
Free address geocoder: convert any address to GPS coordinates (latitude/longitude). Get precise location data from street addresses, places, and landmarks instantly.
CSV to GeoJSON
Free CSV to GeoJSON converter. Transform CSV files with latitude, longitude coordinates to GeoJSON. Supports custom column mapping and properties.
GeoJSON Validator
Free GeoJSON validator and repair tool. Validate GeoJSON syntax, detect errors, and automatically fix common issues like duplicate coordinates and empty properties.
KML/GPX Converter
Free online KML, GPX to GeoJSON converter. Convert GPS tracks, waypoints, routes between KML, GPX, and GeoJSON formats with style preservation.
Time Tools 1
ISO Date Converter
Convert ISO 8601 to Unix epoch, RFC 3339, SQL DATETIME, week date and ordinal date with 4 simultaneous timezones, relative time, and Excel/Julian serials.
