Utility Tools

Fast browser-first tools with secure score syncing for gameplay modules.

Age Calculator

Date of Birth

Target Date

Enter a date of birth to get detailed age metrics.

Image Resizer

Image File

Width

Height

Output Format

Quality (JPEG/WebP)

Lock aspect ratio

Crop Image

Image File

Aspect Ratio

Output Format

Quality (JPEG/WebP)

Add Sign to PDF

PDF File

Page Number (1-based)

Preview Zoom (%)

Draw Signature

Signature Image

Transparent PNG works best for clean overlay.

Typed Signature

Font

Font Size

Signature Width (px)

Opacity (%)

Upload PDF, prepare signature, drag it on preview, then generate a signed file locally in your browser.

Drag the signature box to position. Size and opacity controls are applied in the final PDF.

JPG to PDF

Select JPG images

Page Size

Orientation

Margin (pt)

Tip: reorder files using Up and Down controls before conversion.

Typing Practice

Difficulty

Duration (sec)

Type Here

Time

WPM

100%

Accuracy

Errors

Leaderboard

Quick Calculation Games

Mode

Difficulty

Duration (sec)

Answer

Press Start Round to generate problem.

Time

Score

Streak

Accuracy