DJAI Academy

Free public tools by DJAI Academy

Useful tools for builders, creators, and businesses.

DJAI publishes free tools to help people build faster, work smarter, and solve everyday digital problems without accounts, paywalls, or unnecessary friction.

QR Generator

Free QR Code Generator

Create custom QR codes for websites, menus, profiles, forms, and campaigns. Download PNG or SVG files with no sign-up.

QR codePNGSVG
Open toolImage Tools

Free Image Converter and Resizer

Resize, compress, and convert JPG, PNG, WebP, and HEIC images. Process batches and download a ZIP while files stay on your device.

HEICBatchTarget KB
Open toolPDF Tools

DJTools Free PDF Tool Set

Merge, split, compress, convert, rotate, watermark, and password protect PDFs for free. Files stay on your device.

PDFAES-256Private
Open toolDocument Tools

DJAI Document Converter

Convert DOCX to PDF, HTML, Markdown, and text, extract PDF text, or run Thai and English OCR in your browser.

DOCXOCRPrivate
Open toolAI Tools

AI Context and Token Tools

Count tokens, clean context, preview RAG chunks, and package multiple files for AI without uploading content.

TokensRAGContext
Open toolSpreadsheet Tools

CSV, JSON and Excel Tools

Convert, clean, merge, and split CSV, JSON, and XLSX files privately for data workflows and automation.

CSVJSONXLSX
Open tool

START WITH A TASK

Shortcuts for popular workflows.

JPG to PNGConvert an image without uploadingHEIC to JPGConvert an iPhone photo in your browserImage to 100 KBPrepare an image for upload formsJPG to PDFCombine multiple images into a PDFPDF to JPGExport every page as an image or ZIPDOCX to PDFConvert Word privately in your browserPDF to TextExtract text from selected pagesDocument Token CounterCheck context use before AICSV to JSONPrepare data for APIs

Why free?

Free tools are how we build trust.

These tools are part of the DJAI ecosystem: they help the public, demonstrate our product thinking, and create a practical bridge to custom development work for businesses that need their own internal tools or automation systems.

Coming next

More tools are planned.

Ecosystem

Built by connected teams with real products.

Develop With DJAICustom web tools, apps, automation systems, and AI-powered platforms.DJAI × Siamese CatThe technology, product, and business-growth partnership across the Siamese Cat ecosystem.Siamese Cat DevSoftware development, product design, and technical implementation partner.Siamese Cat CafeThe community cafe and real-world brand connected to our builder ecosystem.Siamese Cat Creative ClubCreative workflows, visual production, and creator-focused experiments.Siamese Cat HotelHospitality projects, digital guest experiences, and business automation opportunities.