Free online tools that just work
Every tool runs entirely in your browser โ your data never leaves your device. No signup, no limits, no nonsense.
QR Code Generator
Turn links, text or Wi-Fi details into a downloadable QR code.
Password Generator
Create strong, random passwords with one click.
Word Counter
Count words, characters, sentences and reading time instantly.
JSON Formatter
Beautify, validate and minify JSON data.
Base64 Encoder / Decoder
Convert text to and from Base64, UTF-8 safe.
Image Compressor
Shrink JPG, PNG and WebP files up to 90% โ right in your browser.
Image Converter
Convert PNG, JPG and WebP โ transparency handled correctly.
Case Converter
Switch text between 8 letter-case styles, including camelCase.
Unix Timestamp Converter
Epoch seconds and milliseconds to dates โ and back.
Percentage Calculator
Three percentage calculations in one simple tool.
Why ToolNest?
Most online tools force you through ads, signups or uploads to a server somewhere. ToolNest is different: every tool on this site is a small program that runs inside your own browser. Text you paste, passwords you generate, files you convert โ none of it is ever sent to us, because there is nothing to send it to.
Is it really free?
Yes. All tools are 100% free with no usage limits and no account required. The site is supported by a small number of ads.