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JSON FormatterFormat, validate, minify, and inspect JSON with instant feedback
J F
JSON to YAMLConvert JSON into YAML with readable structure and browser-only processing
J Y
JSON to TypeScriptGenerate TypeScript interfaces from JSON with browser-only processing
J T
JSON DiffCompare two JSON documents, inspect changed paths, and export a readable diff
J D
JSONPath QueryRun JSONPath queries against JSON and inspect matched values or paths
J P
JSON Schema ValidatorValidate JSON against a JSON Schema and inspect validation errors
J S
Base64 ConverterEncode plain text into Base64 or decode Base64 back into UTF-8 text
E B
URL Encode/DecodeEncode or decode URL text, query components, and full URLs
E U
JWT DecodeDecode JWT header and payload locally, inspect claims, and keep the token
E J
HTML EntitiesEncode or decode HTML entities locally and inspect safe text transformations instantly
E H
Hex to ASCIIConvert plain text into hex or decode hex back into readable UTF-8 text
E X
Unicode LookupInspect characters, code points, escapes, and byte representations from input text
E L
Hash GeneratorHash input text instantly with browser-native algorithms and export the digest in hex or Base64
H G
HMAC GeneratorGenerate keyed HMAC signatures locally with common digest algorithms and export the result instantly
H M
HMAC VerifyVerify an expected HMAC signature against local input, secret, algorithm, and output format
H V
UUID GeneratorGenerate UUID v4 or v7 locally, in single or batch output, with no server round trip
H U
Password GeneratorGenerate strong passwords locally with configurable length, sets, and batch output
H P
AES Encrypt / DecryptEncrypt or decrypt text locally with AES-GCM and a passphrase-derived key
C A
RSA Key Pair GeneratorGenerate RSA key pairs locally and export public and private PEM blocks
C R
RSA Encrypt / DecryptEncrypt short text with a public RSA key or decrypt Base64 ciphertext with the matching private key
C E
Keypair / PEM ViewerInspect PEM blocks locally, including type, headers, and decoded body size
C P
PGP Inspect / Armor DecodeInspect ASCII-armored PGP blocks locally and decode armor metadata and body size
C G
Unix TimestampConvert local date and time into Unix seconds or milliseconds, or paste a timestamp to reverse it
T U
Timezone ConverterCompare one date and time across common engineering time zones without leaving the browser
T Z
Cron BuilderBuild a five-field cron expression quickly and export the result with a readable explanation
T C
ISO 8601 BuilderConstruct ISO 8601 strings with UTC, local offset, or date-only output in one fast browser tool
T I
Date DifferenceCalculate the exact time span between two local datetimes and export the result instantly
T D
Case ConverterConvert text into lower, upper, camel, Pascal, snake, kebab, title, sentence, and more
X C
Sort & DedupeSort lines, remove duplicates, trim whitespace, and clean text lists instantly
X S
Find & ReplaceFind text or regex matches and replace them instantly with live output and match counts
X F
Markdown PreviewPreview markdown live with a rendered output pane and browser-only processing
X M
Lorem IpsumGenerate placeholder paragraphs, sentences, or lines instantly with browser-only controls
X L
Contrast CheckerCheck WCAG contrast ratios for foreground and background colors with live preview
C C
HEX / RGB / HSLConvert HEX, RGB, and HSL values instantly with a live color preview and CSS-ready output
C H
Palette GeneratorGenerate tints, shades, and harmony palettes from one base color with CSS-ready output
C P
Gradient BuilderBuild linear or radial gradients with editable stops, live preview, and CSS-ready output
C G
Tailwind Color ReferenceBrowse Tailwind CSS color families with both v3 legacy hex values and the current v4 palette
C T
Image CompressorCompress images locally, choose JPEG or WebP output, target a file size, and download the result
I C
Image ResizeResize images locally with exact dimensions, aspect lock, presets, and browser-only export
I R
Convert FormatConvert images locally between JPEG, PNG, and WebP with instant preview and browser-only export
I F
SVG OptimizerOptimize SVG markup locally by removing comments, metadata, and editor-only attributes before export
I S
Favicon GeneratorGenerate common favicon and app icon PNG sizes locally from one source image with browser-only export
I G
HTTP Status CodesLook up HTTP status codes quickly with categories, explanations, and common API usage guidance
N H
MIME LookupLook up MIME types, file extensions, and common usage notes for uploads, downloads, and HTTP responses
N M
URL ParserParse a URL into protocol, host, credentials, pathname, query params, and fragment details
N U
CIDR CalculatorCalculate subnet masks, network ranges, broadcast addresses, and usable hosts from an IPv4 CIDR block
N C
User Agent ParserParse a user agent string into browser, engine, operating system, device, and bot details
N A
SQL FormatterFormat SQL queries locally with readable indentation, keyword casing, and quick export actions
S Q
Code FormatterFormat JavaScript, TypeScript, JSON, HTML, CSS, Markdown, and YAML locally with parser-aware output
C F
Diff ViewerCompare two text or code inputs locally with line-level differences, side-by-side review, and diff export
D V
Escape StringsEscape or unescape developer string literals locally for JavaScript, JSON, and regex-safe text
E S
Snippet GeneratorGenerate practical developer snippets locally from reusable templates and editable fields
S G
Regex TesterTest regular expressions live, inspect matches, and jump straight to matched text
R T
Regex ExplainerBreak down a regular expression into readable pieces and understand what each token does
R E
Regex BuilderBuild common regex patterns from structured inputs and test them against sample text
R B
Pattern LibraryBrowse reusable regex patterns, inspect examples, and copy practical snippets quickly
R L
CheatsheetLook up regex anchors, classes, quantifiers, groups, and flags in one fast reference
R C
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