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Format JSON, convert images, merge PDFs, generate secure passwords and more. Free, private and instant.
Popular: JSON Formatter, Base64, Image Converter, PDF Merge
All tools(28)
JSON Formatter
Format, minify, validate, search, and collapse JSON in your browser.
JSON Compare
Compare two JSON documents and highlight added, removed, and changed paths.
Base64 Encode / Decode
Encode and decode Base64 text entirely in your browser.
URL Encode / Decode
Encode and decode URL query components client-side.
HTML Entity Encode / Decode
Convert text to HTML entities and back in your browser.
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes locally.
UUID Generator
Generate UUID v4 values in your browser.
Password Generator
Create strong random passwords on your device.
Word Counter
Count words, characters, lines, and sentences instantly.
Case Converter
Convert text between upper, lower, title, camel, snake, and kebab case.
Lorem Ipsum Generator
Generate placeholder paragraphs for mockups and drafts.
Text Diff
Compare two texts line by line in your browser.
Image Converter
Convert images between PNG, JPG, and WebP locally.
Image Compressor
Compress images locally without uploading them.
Image Resizer
Resize images to exact dimensions on your device.
JSON to CSV
Convert JSON object arrays into CSV files locally.
CSV to JSON
Convert CSV tables into JSON arrays in your browser.
JSON to YAML
Convert between JSON and YAML without uploading files.
Color Converter
Convert colors between hex and RGB formats.
QR Code Generator
Create QR codes from text or URLs in your browser.
Timestamp Converter
Convert Unix timestamps and ISO dates locally.
Regex Tester
Test regular expressions and inspect matches instantly.
JWT Decoder
Decode JWT header and payload locally without verification.
PDF Merge
Merge multiple PDFs into one file on your device.
PDF Split
Extract page ranges from a PDF in your browser.
PDF Compress / Rotate
Rotate PDF pages or re-save for a lighter local optimize.
Image to PDF
Turn JPG or PNG images into a PDF locally.
PDF to Image
Render a PDF page to PNG in your browser.
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