YAML to JSON Schema Converter - Online OpenAPI Infer Structure
Paste a YAML example and generate a JSON Schema draft that matches the structure. Helps build API specs. Pure client-side inference.
UD5 Toolkit
Convert CSV data to MediaWiki markup tables instantly — compatible with Wikipedia, Fandom, and any MediaWiki-based wiki
Preview will appear here
{| and end with |}. Rows are separated by |-, header cells use !, and data cells use |. The wikitable class adds default styling with borders and alternating row colors.
wikitable or wikitable sortable class for a polished look.
"") inside quoted fields. Files with .csv, .tsv, and .txt extensions are accepted. The parser automatically detects and skips completely empty rows.
style="text-align:…" attributes in the generated markup.
|| separators for data and !! for headers — for example: | Cell1 || Cell2 || Cell3. Expanded format places each cell on its own line. Compact is preferred for readability in most wikis; expanded is useful when cells contain lengthy content or when you need to add individual cell attributes.
"Smith, John"), embedded newlines, and escaped double quotes ("" → "). In the generated Wiki markup, pipe characters (|) inside cell content are automatically escaped using <nowiki>|</nowiki> to prevent them from being interpreted as table syntax. Most other special characters pass through safely.
wikitable class is universally recognized across all these platforms.
Paste a YAML example and generate a JSON Schema draft that matches the structure. Helps build API specs. Pure client-side inference.
Generate an Article or BlogPosting structured data with headline, author, and image. For rich blog results.
Parse an iCalendar file and output the events as a clean JSON array. For developers integrating calendar data. Client‑side only.
Convert between scientific notation (a Ă— 10^n) and decimal form. Also supports engineering notation. Instant, local.
Transliterate English text into Anglo‑Saxon runes (Futhorc). Different from Elder Futhark. For history and art.
Paste a MySQL ENUM definition and get a TypeScript union type string literal. For type‑safe database schemas.
Paste the content of an XML sitemap and extract a plain list of all the URLs. For further analysis. Local.
Check if a number of the form 2^p‑1 is a Mersenne prime. Quick Lucas‑Lehmer test simulation for small p.
View thousands of digits of Euler's number (e). Click to copy a block. For math enthusiasts.
Paste a SQL CREATE TABLE statement and extract just the column names as a CSV header row. For data migration.
Convert nested JSON translation files into a flat CSV table for translators. Also reverse back. Local only.
Split a large CSV into smaller files by row count. Preview each chunk. No upload; streamed locally.
Place a table caption on top, bottom, or inline‑start/end. See the live change. Copy the code.
Drop an .xlsx file and convert each sheet to CSV. Processed entirely in your browser. No upload needed.
Convert CSV data to a real Excel spreadsheet with multiple sheets and simple formatting. Fully local.
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Write Q&A in a simple format and export as a CSV file compatible with Anki. Perfect for rapid card creation. Local.
Drop a PDF and automatically detect tables. Export them to CSV or copy to clipboard. Works locally using PDF.js.
Paste CSV data and transform it into a well‑structured YAML array of objects. Choose key mapping. Perfect for devOps and data migration.
Choose tabular‑nums, diagonal‑fractions, ordinal and see the effect on a numeric list. Elegant data presentation.
Paste Jira/Confluence wiki markup and get a rendered HTML preview. Supports headings, lists, links, and code blocks. All local.
Map CSV columns to event fields and generate a valid .ics file. Import into Google Calendar, Outlook, or Apple Calendar. Local.
Convert a JSON array of strings or numbers into a single‑column CSV. Quick data dump. Local.
Format a list of Q&A pairs and export as a CSV ready for Anki import. Simple line‑based template. Local.
Convert currencies using a built‑in table of approximate fixed rates. Useful for quick estimates without live data. Local.
Paste CSV and get a list of SQL INSERT statements. Define table name and column mapping. All local conversion.
Paste CSV data and pick which columns to keep or drop. Rearrange column order by dragging. Download the new file. All local.
Convert comma‑separated data into a series of SQL INSERT statements. Define the table name and column order. Local.
Paste SQL INSERT statements and extract the data into a clean CSV table. Works with multiple rows. Local parser.
Enter products with different prices and weights/volumes. The tool ranks them by best value per unit. Save money effortlessly.