Z
Tools I built because I needed them.
No sign-up. Your files stay on your device. Most tool processing runs directly in your browser; site analytics and clearly online features use network services.
Popular tools
Remove ChatGPT UTM
Strip AI tracking tags from shared URLs
CSV to ICS Converter
Turn spreadsheets into calendar files
Media Duration Analyzer
Check audio/video length instantly
Markdown to PDF
Write reports, preview live, export PDF with footnotes
Markdown Table to Image
Export tables as PNG for reports
Subscription Cost Checker
See monthly and annual costs at a glance
改行削除・空行削除
ChatGPT文章の不要な改行や空白を一括削除
領収書ジェネレーター
入力済みURLから領収書をブラウザPDF化
76+
tools
From timers to CSV inspectors
Local
file processing
Your files stay on your device
¥0
free
No account, no paywall