All developer tools

Developer

JavaScript formatter

Indent JavaScript for reading or minify it for shipping. Runs in your browser.

Not built yet.

In the meantime

JSON formatterMake unreadable JSON readable, and find the error.
Diff checkerCompare two texts and see exactly what changed.
SVG to PNGTurn a vector file into a sharp PNG at any size, up to 8K.
HEIC to JPGOpen iPhone photos anywhere. Convert to JPG or WebP in bulk.

Also planned in Developer

XML formatter
HTML formatter
CSS formatter
Regex tester
Crontab generator

Images

SVG to PNG
HEIC to JPG
Background remover
Image enhancer

Documents

PDF reader
Merge PDF
Split PDF
Compress PDF

Data

XLSX viewer
CSV viewer
CSV to JSON

Text

URL encoder
Case converter
Word counter
Text cleaner

Media

Audio trimmer
Video compressor
Subtitle shifter

Developer

JSON formatter
Diff checker
XML formatter
HTML formatter

Security

Hash generator
Password generator
Base64 encoder
URL encoder

Calculators

Unit converter
Percentage calculator
Tip and bill splitter
Compound interest

Generators

UUID generator
QR code generator
Random picker
Barcode generator

Design

Colour palette
Colour converter
Contrast checker
Gradient generator

Web

UTM link builder
Robots.txt generator
Meta tag generator

Conversions

JPG to PNG
JPG to WebP
PNG to JPG
PNG to WebP
All 102

All tools Suggest one GitHub© 2026 Vantly