your workshop — favorite toolkit

Four instruments, one workbench.

Convert data and files between formats without leaving the tab. Every module below runs entirely in your browser — nothing you paste or upload is sent to a server.

Fig. 01

CSV ⟷ JSON

Parse spreadsheet rows into structured JSON, or flatten JSON arrays back into CSV.

Fig. 02

Markdown ⟷ HTML

Render Markdown to clean HTML markup, or turn existing HTML back into Markdown.

Fig. 03

Image Format

Re-encode images between PNG, JPG and WebP, with resizing and quality control.

Fig. 04

Color Format

Convert a single color across HEX, RGB, HSL and CMYK, live, with a swatch preview.

No accounts. No file uploads. No tracking — just format conversion. by Tony