Fast, free online tools

Simple utilities for developers and everyday work—no installs. Pick a tool below or browse the full directory.

Browse all tools Try CSV to JSON Create a QR code

Tip: share results using ?q= in the URL.

Popular tools

Quick access to common utilities.

Create QR codes instantly for links, text, Wi-Fi and more.

Utilitiesqrgenerator

Open tool /tools/qr-code-generator/

Compress images to reduce file size while keeping quality.

Imagescompresswebp

Open tool /tools/image-compressor/

Combine multiple PDFs into a single PDF file.

PDFmergecombine

Open tool /tools/pdf-merge/

Split a PDF into separate pages or page ranges.

PDFsplitextract

Open tool /tools/pdf-split/

Beautify, minify and validate JSON quickly.

Developer Toolsjsonformat

Open tool /tools/json-formatter/

Convert CSV to JSON array or JSON Lines (NDJSON).

Developer Toolscsvndjson

Open tool /tools/csv-to-json/

Calculate GST for inclusive or exclusive prices.

Calculatorsgsttax

Open tool /tools/gst-calculator/

Estimate EMI using principal, interest rate and tenure.

Calculatorsemiloan

Open tool /tools/emi-calculator/

Calculate age accurately from date of birth.

Calculatorsagedate

Open tool /tools/age-calculator/

Generate strong passwords with flexible options.

Securitypasswordrandom

Open tool /tools/password-generator/