Calculate required air conditioner horsepower (HP), power consumption, and operating electricity cost based on room dimensions.

Guided diagnostic troubleshooter to identify common air conditioner faults, error symptoms, and practical repair solutions.

Interactive 2D room thermodynamics and air conditioning airflow simulator with real-time heat maps and CFD modeling.

Photovoltaic system calculators for solar panels, battery banks, inverters, charge controllers, and wire sizing.

Online developer & IT tools: token generators, hashers, JSON formatters, network tools, and regex.

Batch resize high-resolution images to 1000px web standards, export zipped archives, and crop custom aspect thumbnails.

Live syntax validator and automatic formatter for Aiken multiple choice test banks with instant LMS export.

Layer-based raster image editor with PSD support, adjustments, masks, and filters.

Vector illustration workbench with pen path tools, node editing, and SVG support.

PDF workbench for viewing, annotating, text extraction, and page manipulation.

Word processor with rich text editing, document styles, and layout tools.

Spreadsheet calculation grid with formulas and virtual table rendering.

Slide presentation authoring and layout design workbench.

Non-linear video editing with multitrack timeline, cuts, and audio sync.

Motion graphics, VFX compositing, and keyframed parameters.

Digital audio workstation with multitrack waveform editing and mixing.

Non-destructive photo editing, RAW decoding, and color curves.

Desktop publishing for multipage spreads and print preparation.

Computer-aided design with precision snaps and DXF support.