ToolkitLoop

ToolkitLoop

30 free online tools that run 100% in your browser

ToolkitLoop is a free toolkit of 30 online tools that run entirely in your browser. No sign-ups, no uploads — your files and data never leave your device.

It covers everyday needs: tip, percentage, mortgage and calorie calculators; unit, currency and decimal-to-fraction converters; QR code generator & scanner; barcode generator; image compressor & resizer; and developer utilities like JSON formatter/validator, Markdown viewer, and an M3U8 player.

Private by design, free forever, no account wall.

Side projects

Features

- 30 free online tools, no sign-up or install required

- Runs 100% in your browser — files and data never leave your device

- Calculators, converters, QR & barcode tools, image tools, JSON/Markdown dev utilities

- Free forever, private by design

Use Cases

- Calculate tips, split bills, and estimate mortgage payments instantly

- Compress images to an exact file size (e.g. 100KB) before uploading

- Generate permanent QR codes and barcodes locally, no account needed

- Validate and format JSON without sending data to a server

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Social Links

bowen tse · Follow

Founder of ToolkitLoop

Makers

bowen tse · Follow

Founder of ToolkitLoop