Data
16 toolsCSV Cleaner
Clean CSV headers, trim values and remove duplicate rows in your browser. Review issues, then export with your chosen delimiter, encoding and line endings.
XML ↔ JSON Converter
Convert XML to JSON or JSON to XML in your browser. Configure attribute mapping and CDATA handling, inspect the output, then copy or download it.
CSV ↔ JSON Converter
Convert CSV to JSON or JSON to CSV. Set the delimiter and header row, control nested-object flattening, then copy or download the converted data.
Unit Converter
Convert units of length, mass, temperature, time and data. Set decimal places and rounding, compare results, and copy or share a conversion.
JSON Formatter
Format and validate JSON, explore its tree, compare documents and query nested values. Copy or download the result from your browser.
YAML ↔ JSON Converter
Convert YAML to JSON, JSON to YAML or JSON5 to JSON. Set indentation and line endings, check data against your JSON Schema, then copy or download the result.
YAML Formatter
Format YAML with indentation, key sorting and comment options. Check syntax or validate data against a JSON Schema draft-07, then copy or download the output.
Base64 Encoder & Decoder
Encode and decode Base64 text or encode files up to 10 MiB. Choose UTF-8 or binary text, use URL-safe Base64, and copy or download the result.
UUID Generator
Generate UUID v1, v4 or v5 identifiers, individually or in batches up to 500. Set formatting, inspect a UUID’s version and variant, then copy or download.
XML Formatter
Format or compact XML, inspect its tree and compare documents. Check well-formedness, review errors, then copy or download the XML output.
URL Encoder & Decoder
Encode or decode a URL component or whole URI. Escape Unicode and spaces, preserve separators when needed, and copy the percent-encoded result.
QR Code Generator
Create QR codes for text, URLs, Wi-Fi or contact data. Adjust size and colors, test a scan, then download PNG or SVG; gradients export as PNG only.
Number Base Converter
Convert integers across 15 bases from binary to base 36, inspect signed and bitwise views, then copy grouped results.
SQL Formatter
Format SQL for MySQL, PostgreSQL, SQL Server, Oracle, SQLite, MariaDB or BigQuery. Set indentation and keyword case, then copy or download the query.
CSV → SQL Converter
Convert CSV rows into SQLite INSERT SQL locally. Set the table name, delimiter and header handling, decide how empty cells map, then copy or download the script.
JSON Field Masker
Mask selected JSON fields recursively on your device. Replace values with a custom marker or remove them, then review and export the resulting JSON.