Converter

18 tools

Unix Timestamp Converter

Convert between Unix timestamps and human-readable date-times online, with automatic detection of second, millisecond, microsecond and nanosecond precision, worldwide time zones including daylight saving handling, Windows FILETIME and C# Ticks conversion, and quick date-range shortcuts.

Base32 Encoder and Decoder

Encode text to Base32 and decode it back in real time, using the RFC 4648 alphabet. Text is handled as UTF-8 bytes, so non-ASCII characters round-trip correctly.

CSV to Markdown Table

Convert CSV, TSV and other delimited data into Markdown tables instantly. Supports custom delimiters, header detection and per-column alignment, with live preview and HTML output.

SRT to VTT Subtitle Converter

Convert subtitles between SRT and WebVTT in both directions, handling timestamp separators, cue numbering and the WEBVTT header automatically, with errors reported down to the individual subtitle block.

Base58 Encoder and Decoder

Convert text to and from Base58 using the Bitcoin alphabet, which omits the easily confused characters 0, O, I and l.

JSON to YAML Converter

Convert JSON data to YAML online. Paste JSON and the equivalent YAML appears instantly, with support for objects, arrays and nested structures, making it handy for configuration file conversion.

YAML to JSON Converter

Convert YAML data to JSON online with a configurable indent width. Paste YAML and the formatted JSON appears instantly, useful for configuration file conversion.

JSON to TOML Converter

Convert JSON data to TOML online. Paste JSON and the corresponding TOML configuration text appears instantly, suited to writing and migrating files such as Rust's Cargo.toml and Python's pyproject.toml.

TOML to JSON Converter

Convert TOML configuration into JSON online. Paste content from Cargo.toml, pyproject.toml or any other TOML file and get the equivalent JSON text instantly, ready for tooling that only understands JSON.

JSON to XML Converter

Convert JSON data into XML online. Paste a JSON object and get the matching XML tag structure, with special characters escaped automatically for legacy system and SOAP integrations.

XML to JSON Converter

Convert XML documents into JSON online. Paste XML and get the equivalent JSON tree instantly, so data from legacy XML APIs can be handled with modern JSON tooling.

CSV to JSON Converter

Convert CSV data into a JSON array online. Paste your rows or upload a CSV file, pick the delimiter, choose whether the first row is a header, and copy or download the JSON result.

JSON to CSV Converter

Convert a JSON array of objects into CSV online. Paste your array, get comma-separated table text with the object keys as the header row, then copy it or download a .csv file.

Base64 File Converter

Convert any file to a Base64 string and back again in your browser. Drag in an image, PDF or other file to get its Base64 or Data URL, or paste Base64 to decode and download the original file.

Base64 String Encoder and Decoder

Encode text to Base64 and decode Base64 back to text in your browser, with correct UTF-8 handling for Chinese and other multi-byte characters and support for both standard and URL-safe Base64.

Number Base Converter

Convert a number between numeral systems online. Enter a value, choose its base, and see the binary, octal, decimal and hexadecimal forms at once, with support for any base from 2 to 36.

Integer Base Converter

Convert integers between numeral systems online. Pick a source and target base from binary, octal, decimal, hexadecimal or any custom base up to 36, with signed values and grouped digit output.

Color Format Converter

Convert colors between HEX, RGB, RGBA, HSL, HSLA, HSV and CMYK online. Type a color value or pick one with the color picker, and every other format updates instantly with a live preview swatch.