qtoolkit.dev
Collection of 30+ free utilities for JSON formatting, image conversion, PDF editing, QR generation and other dev/file tasks
A collection of 30+ free browser-based utilities for formatting JSON, converting image formats, editing PDFs, generating QR codes and other common development and file tasks without installs or uploads. It is for individual software developers, freelancers and students who need quick everyday helpers for code, images and documents. It is delivered as client-side web tools that run entirely in the browser with no tracking, account or signup required.
Key features
- JSON formatter and validator
- Image compressor for JPEG PNG WebP
- AI background remover
- Background changer with segmentation
- Portrait blur bokeh effect
- Passport photo maker
- Sticker maker with borders
- Headshot generator
- Merge PDF files
- Split PDF by range
- Compress PDF size
- Convert PDF to images
- Convert images to PDF
- Rotate PDF pages
- Add page numbers to PDF
- Add text watermark to PDF
- Reorder PDF pages visually
- Remove PDF pages
- HEIC to JPG converter
- JPEG to PNG converter
- JPEG to WebP converter
- WebP to PNG converter
- PNG to WebP converter
- AVIF to JPG converter
- Batch image converter
- Universal image format converter
- QR code generator with logo
- JSON to code generator
- YAML validator
- SQL formatter
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GTM channels
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ICP
- Software developers
- Freelancers solopreneurs
- Students