Developer Tools

Format, decode, test, and debug everyday developer snippets.

JSON Formatter / Validator

Format, minify, and validate JSON with clear error messages.

A fast local JSON formatter for API responses, config files, and copied payloads.

M3U8 / MP4 Online Video Player

Play and test HLS m3u8 streams and direct MP4 URLs in your browser.

A lightweight online video player for checking m3u8 playlists, MP4 files, CORS behavior, and browser playback support without uploading media to ToolHive.

Regex Tester

Test regular expressions with g, i, and m flags and highlighted matches.

Quickly verify regex patterns against sample text before using them in code.

Cron Expression Helper

Parse, explain, generate, and preview cron schedules.

A practical cron helper for scheduled jobs, server tasks, CI workflows, and recurring automation, with common templates and next-run previews.

SQL Formatter / Beautifier

Format, beautify, minify, and explain SQL snippets locally.

One SQL toolkit for readable SELECT queries, joins, filters, copied database snippets, compact test fixtures, and quick clause explanations.

SQL Explain

Explain common SQL clauses without connecting to a database.

A static SQL explain helper for understanding SELECT, JOIN, WHERE, GROUP BY, ORDER BY, and LIMIT clauses.

IP / DNS Lookup Toolkit

Check your IP, IP location, IP metadata, and DNS records.

A consolidated network lookup toolkit for public IP detection, IP geolocation, IP information parsing, and DNS record lookup.

How Developer Tools are selected

Format, decode, test, and debug everyday developer snippets. 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 tools focus on formatting, validation, parsing, and quick debugging rather than broad generic calculators. 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 developer inputs are processed in the browser so payloads, tokens, and examples do not need to leave the page. Important outputs should still be verified against official sources, internal policy, or professional advice.