Browser-based utilities

Free Developer Tools

Use common formatting, encoding, validation and text utilities directly in your browser.

Developer Tools collection

Choose a task and open the tool directly. No account is required.

Compare two versions of text and inspect line or character differences. Swap inputs or copy the results.

Test JavaScript regular expressions against sample text. Change flags and inspect highlighted matches and capture groups.

Count supported words, characters and paragraphs, and review estimated reading time. Language-specific word boundaries affect word counts.

Convert colors between HEX, RGB and HSL. Check a live color preview and copy color values for your design or CSS.

Create random passwords with chosen length and character sets. Generate multiple results and review the displayed strength estimate.

Estimate app or website development using Taiwan project baselines and a fixed USD conversion. Compare feature scope and estimated delivery time.

Translate supported Latin text to or from International Morse code. Adjust playback speed and explore sound or light output.

Generate MD5, SHA-256, SHA-1 or SHA-512 hashes from text or files and compare checksums in your browser. Prefer SHA-256 for security-sensitive uses.

Encode or decode Base64 text and work with image data in your browser. Unicode text is supported.

Explain a five-field cron expression and view scheduled run times. Edit fields to explore a cron schedule.

Create linear, radial or conic CSS gradients, adjust color stops and copy the CSS from a live preview.

Format, minify or inspect JSON in a tree view. Copy the output or download the formatted document.

Inspect SEO elements in pasted HTML or an accessible URL. Review page titles, descriptions, headings and the generated report.

Encode or decode URL text using the available modes. Work with percent encoding and inspect the converted result.

Each tool has one clear job and opens directly in the browser. Existing tool URLs remain unchanged, so bookmarks and shared links continue to work.

Can I use the tools without an account?

Yes. Developer tools open directly and do not require registration.

Is input stored?

Browser-based utilities process input for the current task. Check each tool page for its specific privacy behavior.