Tools

Free developer tools

Everything runs in your browser. No account, no data sent to any server.

Resume Builder

Professional templates, ATS scoring, live preview, and one-click PDF export. Build a job-winning resume in minutes.

Format, validate, and minify JSON. Highlights syntax errors instantly.

500+ IANA timezones, DST-aware. Search by city, country, or abbreviation.

Convert Unix timestamps to human-readable dates and back.

Encode or decode Base64 strings entirely in your browser.

Generate cryptographically secure v4 UUIDs. Bulk up to 100 at once.

Count words, characters, sentences, and estimated reading time.

Strong, random passwords with custom rules. Never transmitted.

Combine PDFs into one. Drag pages to set the order.

Extract individual pages or custom page ranges.

Rotate all pages by 90°, 180°, or 270°.

Convert JPG, PNG, or WebP images to a PDF document.

Reduce file size with server-side Ghostscript.

All tools run entirely in your browser · Zero data transmitted · No account required