Data Tools

Convert timestamps, CSV, JSON, and encoded payloads quickly.

Timestamp / Epoch Converter

Convert Unix epoch timestamps, dates, seconds, milliseconds, local time, and UTC.

Convert API timestamps, log times, database records, and copied epoch values locally without sending values to a server.

Base64 / URL Encode Decode

Encode and decode Base64 or URL text locally.

Handle encoded payloads, query strings, and copied tokens in the browser.

CSV / JSON Converter

Convert CSV to JSON and JSON to CSV with header detection, formatted output, and clear errors.

Transform spreadsheet rows, API fixtures, exported reports, and JSON arrays locally before pasting into another tool.

JSON Converter / Compare

Convert JSON to YAML or XML, and compare structured JSON.

A consolidated JSON conversion toolkit for changing JSON into YAML or XML and comparing two JSON documents in one page.

Timezone Converter

Convert date and time between UTC, Tokyo, Shanghai, US, Europe, and more.

A timezone converter for remote work, release planning, server logs, and international scheduling.

How Data Tools are selected

Convert timestamps, CSV, JSON, and encoded payloads quickly. ToolHive prioritizes tools that are frequent, specific, and useful immediately after a copy-paste action instead of broad low-value calculators.

Content and maintenance approach

The data tools focus on formats that are frequently pasted between systems: JSON, CSV, timestamps, encodings, and time zones. Category pages group related tools so visitors can choose the right entry from the title, description, keyword chips, and favorite state.

Privacy and limitations

Most conversions run locally, reducing the need to upload raw business data. Important outputs should still be verified against official sources, internal policy, or professional advice.