JSON Formatter
Beautify, minify and validate JSON with readable errors.
JSON & DATA↗
Open JSON Formatter25 tools · zero uploads
Developer tools that stay in your browser.
Fast, simple and privacy-friendly utilities for developers. Format, convert, test and generate without sending your input to a server.
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Every calculation happens on this device.
Base64 Encoder
Encode or decode Base64 safely with full UTF-8 support.
ENCODING↗
Open Base64 EncoderTimestamp Converter
Move between Unix time, UTC and your local timezone.
DEVELOPER UTILITIES↗
Open Timestamp ConverterURL Encoder
Encode and decode full URLs or individual components.
ENCODING↗
Open URL EncoderUUID Generator
Create one or up to 100 cryptographically random UUIDs.
DEVELOPER UTILITIES↗
Open UUID GeneratorHash Generator
Generate SHA-1, SHA-256, SHA-384 or SHA-512 digests.
SECURITY & TOKENS↗
Open Hash GeneratorJWT Decoder
Inspect token headers, payloads and time claims locally.
SECURITY & TOKENS↗
Open JWT DecoderRegex Tester
Test patterns, flags, matched values and positions.
DEVELOPER UTILITIES↗
Open Regex TesterWord Counter
See live character, word, line and reading-time totals.
TEXT TOOLS↗
Open Word CounterColor Converter
Convert color values among HEX, RGB and HSL.
WEB & COLOR↗
Open Color ConverterJSON to CSV
Turn arrays of objects into correctly quoted CSV files.
JSON & DATA↗
Open JSON to CSVCSV to JSON
Parse quoted CSV rows into formatted JSON objects.
JSON & DATA↗
Open CSV to JSONXML Formatter
Beautify, minify and validate well-formed XML.
JSON & DATA↗
Open XML FormatterHTML Entities
Safely encode or decode HTML-sensitive text.
ENCODING↗
Open HTML EntitiesURL Parser
Inspect protocol, host, path, query and fragment fields.
WEB & COLOR↗
Open URL ParserQuery String Parser
Parse repeated parameters or build an encoded query.
WEB & COLOR↗
Open Query String ParserText Diff Checker
Find added, removed and changed lines between texts.
TEXT TOOLS↗
Open Text Diff CheckerCase Converter
Switch text among eight writing and identifier cases.
TEXT TOOLS↗
Open Case ConverterRemove Duplicate Lines
Deduplicate lines while preserving their first-seen order.
TEXT TOOLS↗
Open Remove Duplicate LinesSort Lines
Sort lines alphabetically or numerically in either direction.
TEXT TOOLS↗
Open Sort LinesSlug Generator
Create lowercase, Unicode-conscious URL slugs.
WEB & COLOR↗
Open Slug GeneratorLorem Ipsum Generator
Generate placeholder words, sentences or paragraphs.
TEXT TOOLS↗
Open Lorem Ipsum GeneratorNumber Base Converter
Convert exact integers among binary, octal, decimal and hex.
DEVELOPER UTILITIES↗
Open Number Base ConverterByte Size Converter
Compare decimal and binary storage-size units.
DEVELOPER UTILITIES↗
Open Byte Size ConverterSecure Password Generator
Create strong passwords with browser cryptography.
SECURITY & TOKENS↗
Open Secure Password GeneratorNo tools match that search. Try a broader term.
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