URL Query String to JSON – Online Parse & Format
Paste a full URL or query string and instantly get a pretty JSON object. Parse arrays and nested keys.
UD5 Toolkit
Convert cURL commands to ready‑to‑use HTTP client snippets in 9 languages.
// Your generated code will appear here
-F (form) parameters exists. The tool extracts field names and values and generates appropriate multipart code. Complex file uploads with actual file paths might need manual replacement with file objects in your code.
Paste a full URL or query string and instantly get a pretty JSON object. Parse arrays and nested keys.
Paste JSON and generate typed model classes in TypeScript, Python dataclass, or Go struct. Speeds up API dev.
Convert a JSON object into application/x‑www‑form‑urlencoded format. Essential for testing legacy APIs. Pure browser.
Convert dates between Hijri and Gregorian using the Umm al‑Qura algorithm. Approximate local moon sighting may vary.
Convert any text to upside down (flipped) characters using Unicode mappings. Copy and paste to social media. 100% local, no data sent.
Enter CMYK values and find the closest Pantone Solid Coated color. For print design reference. Client‑side lookup.
Enter L*a*b* values and see the corresponding RGB and hex color. Useful for advanced color manipulation.
Pick any emoji and download it as a high‑resolution PNG image with transparent background. For social media or icons.
Convert hex or RGB to CIELAB L*a*b* values. Understand perceptual lightness and color opponents. Local math.
Convert currencies using a built‑in table of approximate fixed rates. Useful for quick estimates without live data. Local.
Convert Markdown to styled HTML that retains formatting when pasted into Google Docs or Word. Headings, bold, lists. Client‑side.
Convert any image into colored ASCII art using divs with background colors. Creates a stunning text‑based replica. View & copy HTML.
Type or paste Korean Hangul and see the revised romanization. Also works backwards for basic words. Study aid.
Paste CSV and get a beautiful HTML table with sortable headers (optional). Copy the full HTML/CSS snippet. Local.
Enter a Kelvin value (1000‑40000) and see the approximate white‑balance color. Photography and lighting reference.
Convert a numeric amount into English words, perfect for writing checks or legal documents. Supports USD/GBP styles.
Convert between Gregorian and Hijri (Islamic) dates. Approximate visual reference. Local algorithm.
Convert a Gregorian calendar date to its Julian Day Number and vice versa. Used in astronomy and mainframe computing.
Encode short audio clips into Base64 data URIs for direct embedding in HTML5 <audio> tags. No external files needed.
Translate between binary and Gray code (reflected binary code). See the bit changes. Useful for digital logic.
Encode decimal integers into signed magnitude binary representation and decode back. Learn computer arithmetic.
Convert a decimal number to 32-bit single precision IEEE 754 format. See sign, exponent, mantissa bits. Developer tool.
Convert any date into Roman numerals (day‑month‑year) for tattoos or special occasions. Clean and local.
Convert minutes to decimal hours and vice versa. Essential for billing and payroll. Instant conversion with a handy chart.
Convert between units of absorbed dose and equivalent dose (Gray, Rad, Rem, Sievert). Educational and reference. Local calculation.
Convert between decimal degrees, degrees-minutes-seconds (DMS), radians, and grads. High-precision for surveying and navigation. Local tool.
Convert torque units between Newton-meter, foot-pound, inch-pound, and more. Essential for mechanics and engineers. Instant local conversion.
Convert audio files between popular formats like WAV, MP3, and OGG directly in the browser. No upload, fast encoding using WebAudio and ffmpeg wasm.
Strip HTML tags and convert web content to plain Markdown. Preserve headings, lists, and links. Perfect for content migration. All processing in browser.
Easily convert JSON data arrays into CSV format for Excel or database import. Handles nested structures with flattening options. All conversions happen locally, no data uploaded.