Free browser-based file tools

Local File Toolkit

Eight free tools for CSV, Excel, PDF, product images, OCR, barcodes, and QR codes in one place. Selected files are processed on this device and are not uploaded to a Kindiv server.

CSV Excel PDF Resize Compress OCR Barcode QR code

Privacy note:file contents stay in your browser. OCR downloads the selected English or Chinese language data on first use, so that action needs internet access; the chosen image is still processed locally. Avoid opening untrusted files, and review generated results before business use.

CSV preview

local preview · maximum 10.0 MB

Choose CSV or TSVChoose or drop a file hereText encodingDelimiter

First row is a header

Excel preview

first 15 rows only · maximum 10.0 MB

Choose spreadsheetChoose or drop a file hereWorksheet

Merge PDFs

2–4 files · 20.0 MB each / 40.0 MB combined

Choose PDF filesChoose or drop files here

Resize image

JPEG/PNG/WebP · maximum 15.0 MB and 16 megapixels

Choose imageChoose or drop a file here

Maximum width (px)Output formatQuality 90%

Compress image

local processing · maximum input 15.0 MB

Choose imageChoose or drop a file here

Target maximum size (MB)Maximum width or height

Image to text (OCR) · Beta

English and Chinese · maximum 10.0 MB · first use downloads language data

Choose a clear text imageChoose or drop a file here

Recognition languageEnhance contrast and grayscale first

Barcode generator

validates common product and logistics barcode formats

Barcode valueFormatBar widthHeight

QR code

configurable size, quiet zone, and error correction

QR code content

Error correctionImage size

Open-source components and commercial-use notices are listed on theOpen Source Noticespage.