Converters

Data converters built on real parsers, not fragile string splitting. Round-trip friendly and private by default.

4 tools 2 subcategories 100% local

Data Formats Web Formats

Data Formats

CSV, YAML, and JSON. 2 tools

CSV to JSON Converter Convert CSV to JSON with quoted fields, embedded newlines, headers, and configurable trimming. Open tool YAML to JSON Converter Convert YAML to JSON with clear type handling, multi-document support, and line/column errors. Open tool

Web Formats

Markdown, HTML, and time zones. 2 tools

Markdown to HTML Convert Markdown to sanitized HTML with GitHub-flavored tables, code blocks, and a safe preview. Open tool Time Zone Converter Convert a date and time between any two IANA time zones, with DST warnings and accurate offsets. Open tool

Keep exploring

Other categories in the toolbox.

Calculators Everyday math, health, finance, and science calculators that run entirely in your browser.

Developer Tools Formatters, encoders, validators, and generators for the daily developer workflow.

Text Tools Write, count, transform, compare, and generate text without leaving the tab.

Crypto & Security Hashes, classical ciphers, JWT inspection, and modern client-side encryption.

Browser Tools Network details and QR codes generated from your own browser.