Browser-first utility workspace
Astrum Toolbox
Fast, private tools for text, QR generation, QR scanning, and the workflows coming next.
Tool launcher
Everything in v1 runs locally unless a future tool needs server-side execution.
Text UtilityStats, cleanup, case conversion, escaping, and hashes.Markdown PreviewMonaco editor, GitHub-style preview, and print-to-PDF export.Base64 Encoder/DecoderText, data URLs, image preview, and file download.QR Code GeneratorGradients, styling, text/image logos, and 11 payload formats.QR Code ScannerPaste, upload, or scan from any available camera.EPUB オプティマイザEPUB内の画像を圧縮し、テキストをフォーマットし、コードをハイライトします。画像コンプレッサークライアント側で画像を圧縮・最適化します。
Available now
A toolbox that opens directly into work
Use a focused tool, switch to another from the topbar, and keep files local when the browser can do the job.
Choose a category
Run the tool locally
Copy or download the result
Coming later
Designed for more than text
The first release covers practical browser-first utilities. Image, AI, and document tools continue to expand under the same navigation model.
AI toolsGeneration and analysis tools that can use credits when server execution is required.
Start with the tools that are ready
Text cleanup, Markdown preview, Base64 conversion, and QR utilities are available in the first version.
Local
Client-side by default
3
Initial locales
5
Available tools