Tool Directory (77) LIVE CATALOG
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AI Prompt Formatter & Token Estimator
Format system prompts with role instructions, XML tags, and calculate estimated LLM token usage.
Axios Request Generator
Generate production-ready Axios configurations and request snippets.
Base32 Encoder / Decoder
Encode text to RFC 4648 Base32 or decode a Base32 string back to text.
Base64 Encoder / Decoder
Encode plain text or binary strings into Base64 format or decode back to UTF-8 text.
Binary ⇄ Text Converter
Convert text to 8-bit binary (UTF-8) and back.
Byte Size Formatter
Turn a raw byte count into human-readable sizes (decimal and binary units).
ROT13 / Caesar Cipher
Shift letters by a fixed amount. Defaults to ROT13; adjust the shift for any Caesar cipher.
Color Converter (HEX / RGB / HSL)
Convert a color between HEX, RGB, and HSL notations.
Color Shades & Tints Generator
Generate a palette of tints and shades from a single base hex color.
Cron Expression Parser & Humanizer
Parse 5-part cron syntax expressions into human-readable schedules with upcoming run times.
CSS Minifier
Strip comments and whitespace from CSS for a smaller stylesheet.
CSS Unit Converter
Convert CSS length values between px, rem, em, pt, and percent.
CSV → JSON Converter
Parse CSV spreadsheets into structured JSON arrays with automatic type detection.
cURL Command Builder
Build production-ready cURL commands with URL, method, headers, and body.
Text & Code Diff Checker
Compare two text snippets or code blocks side-by-side to highlight added or removed lines.
Dockerfile Generator & Linter
Validate Dockerfile best practices, layer size optimization, and multi-stage build tips.
.env to JSON Converter
Parse dotenv-style KEY=VALUE files into a structured JSON object.
JavaScript Fetch Code Generator
Generate JavaScript Fetch API code templates for HTTP requests.
GraphQL Query Builder
Construct, validate, format, and run GraphQL queries and mutations.
Hash Generator (MD5, SHA-256, SHA-512)
Generate cryptographic checksums and hash signatures for texts and file strings.
Hex ⇄ Text Converter
Convert text to hexadecimal (UTF-8 bytes) and back.
HTML Entity Encoder / Decoder
Escape or unescape HTML entities so markup renders as text (and back).
HTTP Header Inspector
Analyze request headers, response headers, security headers, CORS, and Cache rules.
JSON Diff Checker
Deep-compare two JSON objects and list every added, removed, and changed key.
JSON Formatter & Validator
Format, validate, beautify, and inspect JSON payloads with custom indentation and tree view.
JSON Minifier
Compress JSON objects by stripping whitespaces and line breaks for minimum payload size.
JSON → CSV Converter
Transform structured JSON arrays or nested objects into RFC 4180 compliant CSV format.
JSON → TypeScript Interface
Generate TypeScript interfaces from a JSON sample with inferred types.
JSON → YAML Converter
Convert JSON into clean, human-readable YAML with correct quoting of ambiguous scalars.
JWT Token Decoder & Inspector
Decode and inspect JSON Web Tokens (JWT) payload, header, signature structure, and verify token signatures locally.
JWT Generator (HS256)
Sign a JSON payload into a HS256 JWT with your secret. Runs entirely in your browser.
Line Sorter & Deduplicator
Sort, reverse, deduplicate, shuffle, or trim lines of text.
Lorem Ipsum Generator
Generate placeholder text by words, sentences, or paragraphs.
Markdown Live Editor & Preview
Write GFM Markdown with real-time rendered preview, table formatting, and HTML exporting.
Meta Tag & Open Graph Generator
Generate SEO, Open Graph, and Twitter Card meta tags for a page.
Morse Code Translator
Translate text to International Morse code and back.
MySQL → JSON Dumper
Convert MySQL dump schema statements or table rows into structured JSON tables.
Number Base Converter
Convert integers between binary, octal, decimal, and hexadecimal.
Password & Secret Key Generator
Create high-entropy passwords with custom character sets and password strength analytics.
Password Strength Checker
Estimate password entropy and strength from its length and character set.
PBKDF2 Key Derivation Generator
Derive a PBKDF2 key from a password and salt using the browser's native Web Crypto API.
Query String Parser
Parse a URL or query string into structured JSON key/value pairs.
Regex Tester & Debugger
Test Javascript regular expression matches, capture groups, and replacements in real time.
REST API Request Builder
Build, test, debug and inspect REST APIs, GraphQL APIs and HTTP requests.
robots.txt & Sitemap Generator
Configure web crawler access rules, user agents, allow/disallow directives, and sitemap URLs.
Shopify Product CSV Validator
High-throughput offline verification of Shopify catalog feeds. Audits columns, handles images, handles variant prices, and logs anomalies.
SEO URL Slug Sanitizer
Convert titles, strings, and headlines into SEO-friendly clean URL slugs.
SQL Formatter & Beautifier
Beautify MySQL, MariaDB, PostgreSQL, SQLite, and ANSI SQL queries with customizable spacing and case formatting.
HTTP Status Code Explorer
Search and inspect HTTP response status codes: 200, 201, 301, 401, 403, 404, 500 etc.
String Case Converter
Convert an identifier or phrase into camelCase, snake_case, kebab-case, PascalCase and more.
IPv4 Subnet Calculator
Compute network address, broadcast, usable host range, and mask from CIDR notation.
SVG Color Replacer
Replace fill and stroke colors throughout SVG markup.
SVG CSS Background Generator
Generate reusable CSS background-image code from SVG markup.
SVG Data URI Decoder
Decode URL-encoded or Base64 SVG data URIs into editable markup.
SVG Data URI Encoder
Convert SVG markup into a compact CSS-ready data URI.
SVG Dimensions & ViewBox Inspector
Inspect width, height, viewBox and SVG element counts.
SVG Favicon Generator
Create a scalable favicon from initials and brand colors.
SVG Formatter & Beautifier
Validate and format SVG markup into clean, readable XML.
SVG Minifier
Remove metadata and redundant whitespace from SVG markup.
SVG Open Graph Image Generator
Generate a branded 1200 by 630 social sharing image as editable SVG.
SVG Placeholder Generator
Generate responsive image placeholders with custom dimensions and text.
Text Case Changer
Transform text to UPPER, lower, Title, or Sentence case.
String Escaper / Unescaper
Escape text for use inside a string literal (\n, \t, quotes) or reverse it.
Timezone Converter
Convert a date and time from one IANA timezone to another.
LLM Token Counter (Estimate)
Estimate how many tokens a prompt will use across common LLM tokenizers.
Unix Timestamp Converter
Convert between Unix timestamps and human-readable UTC dates.
URL Encoder / Decoder
Percent-encode or decode text for safe use in URLs and query strings.
UTM Campaign URL Builder
Append UTM tracking parameters to a URL for campaign analytics.
UUID / ULID Generator
Generate bulk RFC 4122 v4 UUIDs or time-sortable ULIDs with custom formatting options.
UUID Validator & Inspector
Validate a UUID and report its version and variant.
Webhook Request Tester
Send, receive, replay, and inspect webhook requests in your browser sandbox.
Word & Character Counter
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XML Formatter & Beautifier
Validate, indent, and beautify XML documents. Malformed markup is reported, never silently reshaped.
XML Minifier
Strip insignificant whitespace between XML nodes for the smallest valid payload.
XML → JSON Converter
Convert XML into structured JSON. Attributes become @-prefixed keys; repeated elements become arrays.
YAML → JSON Converter
Convert YAML (mappings, sequences, nesting, comments) into JSON. Invalid indentation is reported honestly.
YAML Linter & Validator
Check YAML for structural validity and report the parsed shape, or the exact line that fails.