Utilities

Precision toolsfor files, data, and focus.

No accounts. Images and JSON stay on-device; optional retell scoring runs only when you provide a DeepSeek key.

Raster lab
Image compression
Re-encode JPEG, PNG, or WebP with adjustable quality. Preview before and after, then download.
Open tool
Syntax bench
JSON tools
Format with configurable indentation, minify, validate, and copy results — all client-side.
Open tool
Cognitive studio
Brain training
Seven focused exercises for visual search, memory, inhibition, language, rhythm, and decision-making.
Choose a mode
Document lab
PDF editor
Delete or rewrite paragraphs, remove and reorder pages, add signatures — without uploading the file.
Open tool