Which online converter should I use?

Choose a converter based on the data you need to transform. Each tool explains supported formats and lets you review the result before copying it.

Tool Category

Converters

Transform measurements, currencies, structured data, markup, and numerals with focused online conversion tools.

10 tools available
No signup required

Converters tools

Choose a tool below to start working immediately.

Unit Converter

Convert between units of length, weight, temperature, and area. Get instant results with all conversions shown at once — no signup, runs in your browser.

Converters

HTML to Markdown Converter

Paste HTML and instantly get clean Markdown output. Works in your browser with no upload — copy the result with one click.

Converters

Image Format Converter

Convert images to JPEG, PNG, or WebP with adjustable quality. Accepts PNG, JPEG, WebP, GIF, and BMP — everything runs in your browser, nothing uploaded.

Converters

CSV to JSON Converter

Convert CSV to JSON with automatic delimiter detection, quoted field support, and type inference for numbers and booleans. Copy or download the result.

Converters

Currency Converter

Convert between 170+ world currencies with live exchange rates. Swap currencies, see a rate table for common amounts, and check the last update timestamp.

Converters

JSON to CSV Converter

Convert JSON arrays to CSV with four delimiter options (comma, semicolon, tab, pipe). Auto-detects headers and handles missing fields — download the CSV.

Converters

Markdown to HTML Converter

Convert Markdown to clean HTML using the CommonMark standard. Live preview and HTML source shown side by side — copy the output instantly.

Converters

PDF to Text Converter

Extract plain text from any PDF document entirely in your browser. No upload needed — see word count and copy the extracted text instantly.

Converters

Roman Numeral Converter

Convert Arabic numbers to Roman numerals or Roman numerals back to Arabic. Instant bidirectional conversion — enter the value and press Convert.

Converters

Time Zone Converter

Convert any date and time between world time zones. Detects your local timezone automatically and shows the UTC offset for each zone — instant conversion.

Converters

Frequently Asked Questions

Which online converter should I use?: Choose a converter based on the data you need to transform. Each tool explains supported formats and lets you review the result before copying it.