AidenGPT

AidenGPT

Seventy five small tools that run in the browser. No account, no install, and nothing leaves your machine, which is the point: these are the utilities you reach for mid-task, and stopping to sign up for one defeats the purpose.

Tools

Developer and data. Timestamp and encoding conversion, JSON formatting and visualising, regex tester, JWT decoder, CSV to JSON, DNS and CORS header generators, OpenAPI viewer, LLM JSON repair.

Text and tokens. Tokenizers for GPT, Claude and Gemini, context trimmer, prompt diff, text diff, summariser, reading time, word cloud.

SEO and publishing. Meta tag preview, Open Graph card preview, robots.txt and sitemap tools, slug generator, domain checker.

Content and writing. Caption and prompt writers, microcopy library, PDF to text, DOCX to markdown, grammar check, sentence rewriter.