{ }
Popular
JSON Formatter
Format, validate and minify JSON. Highlights errors.
jsonformatvalidate+1
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💻
Developer
Developer utilities for code, JSON, colors, APIs and formats.
25 tools
🔐
Base64 Encoder / Decoder
Encode or decode Base64 text or files.
base64encodedecode
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🔗
URL Encoder / Decoder
Encode and decode URL components.
urlencodedecode+1
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#️⃣
Hash Generator
Generate SHA-256 and SHA-1 hashes using the Web Crypto API.
hashsha256sha1+1
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🎲
UUID Generator
Generate UUID v4 identifiers. Bulk generate multiple UUIDs.
uuidguidrandom+1
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🔍
Regex Tester
Test regular expressions with live match highlighting and flags.
regexregexppattern+1
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🔑
Popular
JWT Decoder
Decode JWT tokens — view header and payload without a secret.
jwttokendecode+1
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🎨
CSS Beautifier / Minifier
Beautify or minify CSS code. Remove comments and extra whitespace.
cssbeautifyminify+2
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🖥️
HTML Beautifier / Minifier
Prettify or minify HTML markup with proper indentation.
htmlbeautifyminify+2
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📋
XML Formatter
Format and validate XML documents with proper indentation.
xmlformatvalidate+1
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🧩
Popular
JSON to TypeScript
Generate TypeScript interfaces/types from JSON payloads for faster API modeling.
jsontypescriptinterface+2
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🗃️
SQL Formatter
Beautify and minify SQL queries for easier reading and debugging.
sqlformatterquery+2
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📮
cURL Builder
Build cURL commands from URL, method, headers, and body for API testing.
curlhttpapi+2
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🧾
HTTP Headers Parser
Convert raw HTTP headers to JSON and JSON back to raw header format.
httpheadersjson+2
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🧭
URL Parser
Parse URL structure into protocol, host, path, params, and fragments.
urlparserquery+2
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🪜
JSON Flatten / Unflatten
Flatten nested JSON into dot paths and reconstruct it back.
jsonflattenunflatten+2
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🪪
JWT Generator (HS256)
Generate HS256 JWT tokens from custom header/payload JSON and secret.
jwttokenhs256+2
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✅
UUID Validator
Validate single or bulk UUID strings and identify UUID versions quickly.
uuidvalidatorv4+2
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🔏
HMAC Generator
Generate HMAC signatures (SHA-1/SHA-256/SHA-512) for API auth and webhook testing.
hmacsignaturesha256+2
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❓
Query String Tool
Convert JSON objects to query strings and decode query strings back to JSON.
queryurlparams+3
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🧹
JSON Sorter
Sort JSON keys recursively to keep consistent structure for diffs and reviews.
jsonsortkeys+2
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📈
Semver Comparator
Compare semantic versions and detect which version is newer or equal.
semverversioncompare+2
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🖌️
Color Picker
Pick colors and convert between HEX, RGB, HSL and CMYK.
colorhexrgb+2
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🎨
Color Palette Generator
Generate complementary, analogous, triadic and split-complementary palettes.
palettecolor schemecomplementary+1
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⚖️
Color Contrast Checker
Check WCAG contrast ratio between foreground and background colors.
wcagaccessibilitycontrast+1
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