Free AI tools

Claude prompt generator

Write Claude prompts to Anthropic's own best practices: XML sections, examples in tags, the reason behind each rule.

Gemini prompt generator

Write Gemini prompts to Google's own Gemini 3 strategies: the role first, examples, and the question after the material.

Claude Code prompt generator

Write Claude Code task prompts with the files, a check it can run, and when it's done, to Anthropic's own best practices.

Codex prompt generator

Write Codex task prompts that get working code, not a plan, to OpenAI's own Codex prompting guide.

AI image prompt generator

Write image prompts for GPT Image 2.5, Nano Banana, Midjourney and Grok Imagine, with real cameras, lenses, film and light.

AI video prompt generator

Write video prompts for Seedance 2.5, Veo 3.1 and Kling 3.0 to each one's own formula, with camera moves that don't wobble.

AI slop checker

See every AI tell in your text, why it reads as AI, and the fix. Free, in your browser.

AI humanizer

Rewrite AI text so it reads like a person, and like you, with every fact kept.

AI writing model test

Judge drafts from 32 AI models blind, then see who wrote your favorite and what it cost.

Voice cloning

Clone your voice from a few seconds of it and make it say anything, free, in your browser.

Clone my voice

Record a few seconds of yourself and make your voice say anything, free, in your browser.

AI voice clone text to speech

Turn any text into speech in your own cloned voice, with a laugh or a sigh where you want it.

Text to speech

Paste any text and hear it read aloud in 15 natural voices, free, in your browser.

AI voice generator

Turn a script into a natural AI voice-over for your video, podcast or ad, free.

Text to speech reader

Paste an article, an email or your notes and listen to it instead, free, in your browser.

AI music generator

Make a full song with vocals, or an instrumental, from a few words, free, in your browser.

AI voice changer

Put any video or recording in another voice, and keep every word and the timing, free.

Change voice in video

Change the voice in a video to your own or another, and keep the lips in sync.

Speech to speech

Speech to speech in your browser: any recording, a new voice, the same delivery.

URL to Markdown converter

Turn any web page into clean Markdown: the article, with headings, links, tables and code.

HTML to Markdown converter

Turn HTML into clean Markdown, with headings, links, tables and code, in your browser.

PDF to Markdown converter

Turn a PDF into clean Markdown, with headings, lists and 2 columns in order, in your browser.

Word to Markdown converter

Turn a Word file into clean Markdown, with tables and pictures, in your browser.

Get the text out of any screenshot, photo or scan, in your browser. Paste with Cmd+V.

OKF bundle generator

Turn your site's key pages into an Open Knowledge Format bundle your AI agents can read, checked against the spec and zipped.

AI image generator

Make an image from a description in about 15 seconds, sized for a blog header, Instagram, Pinterest or a story. Free, no sign-up.

Image to prompt generator

Turn any image into a prompt for ChatGPT, Midjourney, Gemini and 6 more, or for my free AI image generator. Upload, paste or link an image.

Google Docs to Markdown converter

Turn a Google Doc into clean Markdown from its shared link or a paste, formatting and real links kept.

AI detector

Score any text for AI writing, with every tell marked and explained. Free, private, no limit.

AI content detector

Check a draft for AI writing before you publish or pay, with every tell marked. Free, private.