Developer Tools
Format, validate, encode, and transform JSON, XML, YAML, SQL, and developer data in your browser.
23 tools
JSON Formatter
Paste JSON to format, validate, and copy a clean indented result
Hash Generator
Generate SHA-256, SHA-512, and other hashes from text or a file in your bro…
Base64 Encoder
Encode text to Base64 or decode Base64 back to text
JSON Validator
Validate JSON instantly and see clear parse errors in your browser
JSON Minifier
Minify JSON by removing whitespace for compact payloads and storage
CSV to JSON
Convert CSV to formatted JSON instantly in your browser
JWT Decoder
Decode JWT header and payload JSON in your browser
Excel to CSV
Convert
JSON to CSV
Convert a JSON array to CSV instantly in your browser
Image to Base64
Convert JPG, PNG, or WebP images to Base64 data URLs in your browser
CSV to Excel
Turn CSV text or a
Base64 to Image
Decode a Base64 string or data URL into a downloadable image in your browser
Regex Tester
Test JavaScript regular expressions against sample text and inspect matches
UUID Generator
Generate UUID v4 values instantly in your browser
Timestamp Converter
Convert Unix timestamps and ISO dates both ways
SQL Formatter
Pretty-print SQL queries with readable indentation in your browser
CSV Cleaner
Trim cells, drop empty or duplicate rows, and keep selected columns
XML Formatter
Pretty-print XML with indentation for readable configs and feeds
XML Validator
Check whether XML is well-formed and spot parse errors quickly
YAML Formatter
Format YAML with consistent indentation for configs and pipelines
YAML to JSON
Convert YAML documents into pretty JSON instantly in your browser
JSON to YAML
Convert JSON into readable YAML for configs and documentation
UUID Validator
Check if a string is a valid UUID and detect its version when possible