Yellow Boards
Type a message onto one of those roadside yellow boards and download it as a PNG. Free, no login.
Yellow Boards does one thing: it turns your text into one of the handwritten yellow signs you pass on British roadsides — the village notices, the passive-aggressive SLOW DOWN, the ones announcing something is happening on Saturday. Pick a board, type your message, drag the text size, download the PNG.
There are eighteen board styles, from OUT POST to VILLAGE GOSSIP, and the whole thing runs in the browser. The site states it plainly on the homepage: free, no log in, no data collected — and there is no upsell waiting at the download step.