A small set of tools.
No signup. No fluff.
Nine focused utilities for students and writers — a free AI humanizer, AI text detector, file converter, OCR-powered PDF-to-text, citation generator, summarizer, text-to-speech, YouTube transcripts, and a precise word counter.
- Rewrite01 / 09
AI Humanizer
Rewrite AI-generated text into natural, human-sounding writing. Rule-based, no LLM, em-dashes removed.
Open tool - Detect02 / 09
AI Text Detector
Paste up to 2,000 characters and get an AI-likelihood score plus the specific signals our detector picked up on.
Open tool - Conversion03 / 09
File Converter
Convert files between formats — PDF, DOCX, images (PNG, JPG, WEBP, AVIF, HEIC, TIFF, GIF), Markdown, HTML, spreadsheets, and more.
Open tool - Citation04 / 09
Citation Generator (MLA, APA, Chicago)
Generate MLA 9, APA 7, and Chicago citations for books, websites, journals, news, and YouTube videos. No signup.
Open tool - Summary05 / 09
AI Text Summarizer
Summarize any article, paper, or transcript in seconds.
Open tool - Extraction06 / 09
PDF to Text Converter (Images & DOCX too, with AI OCR)
Extract text from PDFs, images, DOCX, or TXT — including scanned files via AI vision OCR.
Open tool - Transcript07 / 09
YouTube Transcript Downloader
Get the full text transcript of any YouTube video in seconds.
Open tool - Voice08 / 09
AI Text-to-Speech
Convert text to natural-sounding speech with 6 voice options.
Open tool - Counter09 / 09
Word Counter
Count words, characters, sentences, paragraphs, plus reading and speaking time.
Open tool
The free tools are a slice. The full Cereby app pairs the AI humanizer with detector feedback, lifts the file converter to 100 MB, runs the summarizer on full PDFs, and remembers everything across sessions.