Chaudify — free online tools that run in your browser
42 tools for images, PDFs, text, QR codes, passwords and more. Nothing you open is uploaded — every file is processed on your own device, with no signup and no account.
- Private by default
- Files stay on your device.
Nothing is uploaded. - Instant, no queue
- No upload wait on large files, no processing queue.
- No signup
- Open a tool and use it. No account, no email, no paywall.
Featured tools
Browse all 42 toolsImage CompressorCompress JPG, PNG and WebP images in your browser — nothing is uploaded, and every image shows the exact KB saved.Merge PDFMerge multiple PDF files into one document. Free, private, browser-based.URL QR Code GeneratorGenerate URL QR codes instantly. Bridge print and digital.Password GeneratorGenerate strong passwords instantly. Customize length and character types.Convert JPG to PNGConvert JPG images to PNG format online for free. Transparent backgrounds, lossless quality, browser-based.Word Character CounterCount words, characters, sentences, paragraphs, and reading time. Free, browser-based.JSON FormatterFormat, validate, minify, and beautify JSON online free. Instant results.Advanced Favicon GeneratorGenerate favicons from images, text, or emojis. Export as ICO, PNG, SVG. Free, browser-based.PDF CompressorCompress a PDF online for free. Images are re-encoded and scaled down; text stays sharp and selectable, and nothing is uploaded.Image ResizerResize images online by pixels, percentage, aspect ratio, or preset. Free, browser-based, batch ready.Text Case ConverterConvert text between uppercase, lowercase, title case, sentence case, camelCase, snake_case, kebab-case.WiFi QR Code GeneratorGenerate WiFi QR codes. Guests scan to connect. No password typing.
Browse by category
All 8 categoriesImage Convert, optimize, and edit images instantly with simple online tools. 18 tools PDF Create, convert, edit, and manage PDF files online for free. 9 tools QR Create and manage QR codes quickly and privately. 5 tools Calculator Free online calculators for math, finance, health, and everyday conversions. 1 tool Security Essential tools to keep your data safe and private. 1 tool Developer Encode or decode text to and from Base64 instantly. 2 tools Games Play simple, fun online games to relax and sharpen your skills. 2 tools Text Generate, format, and edit text for any use case 4 tools
Guides & articles
All articlesImages How to Reduce Image Size to KB (20 KB, 50 KB, 200 KB) A form that says "maximum 200 KB" is not asking you to guess at a quality slider. Here is how to hit the numbe... 8 min readPDF Crop PDF Pages Individually, Not All at Once How to crop PDF pages individually rather than applying one crop to the whole document — and why the box you d... 8 min readDeveloper File Hash Generator: Verify a SHA-256 Checksum How to verify a downloaded file against the SHA256SUMS file its publisher ships, without copying one hash out... 8 min readPDF How to Add Page Numbers to a PDF (and Why They Go Missing) Page numbers are easy until the number lands somewhere the reader cannot see. How to number a PDF properly, wh... 9 min readPDF JPG to PDF: How to Turn Photos and Scans into One PDF Converting images to a PDF is a container operation, not a re-compression — a JPEG goes in untouched. How to m... 10 min readImages How to Remove EXIF Data from a Photo (No Quality Loss) Every phone photo carries hidden text: where it was taken, when, and on what device. Here is how to see it, ho... 9 min read