File & Data
JSON to CSV / Excel Converter
Convert a JSON array to a downloadable CSV or Excel file instantly. Client-side only — your data never leaves your browser.
File & Data
Convert, format, and transform structured data files — CSV, JSON, XML, YAML, and more.
File & Data
JSON Formatter & Validator
Format, validate, and minify JSON instantly. Inline error messages show exactly where your JSON is broken.
File & Data
CSV to JSON Converter
Parse a CSV file or paste comma-separated data and get a clean JSON array. Supports custom delimiters.
File & Data
CSV ↔ TSV Converter
Convert between comma-separated (CSV) and tab-separated (TSV) formats. Handles quoted fields correctly.
File & Data
XML ↔ JSON Converter
Convert XML documents to JSON objects and JSON back to XML. Uses the browser's native XML parser.
File & Data
YAML ↔ JSON Converter
Convert YAML to JSON and JSON to YAML instantly. Supports YAML 1.2, anchors, and multi-document files.
File & Data
Base64 Encoder / Decoder
Encode text or files to Base64 and decode Base64 strings back to the original. Full Unicode support.
File & Data
Markdown Previewer
Write Markdown on the left and see a live HTML preview on the right. Copy the rendered HTML with one click.
File & Data
File Size Converter
Convert between bytes, KB, MB, GB, TB, and PB in both binary (1024) and decimal (1000) systems.
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HTML → Markdown Converter
Paste any HTML block or web page source and get clean Markdown instantly. Handles headings, links, lists, bold, italic, and code.
File & Data
JSON Comparator
Paste two JSON objects side by side and instantly highlight added, removed, and changed keys.
File & Data
TOML ↔ JSON Converter
Convert TOML configuration files to JSON and back. Supports all TOML v1.0 data types.
File & Data
Email Header Parser
Paste raw email headers and instantly visualise the SMTP routing path, timestamps, spam scores, and key fields.
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