File Tools
Utilities for working with files locally: inspect, convert, and transform without uploads.
3 tools in this category.
Tools in File Tools
Invoice Generator
Create a professional PDF invoice with line items, tax, and totals. No signup, no email gate, no data leaves your browser.
Generators
Image Compressor to Size
Compress a JPG, PNG, or WebP image to an exact target file size in KB. Iteratively re-encodes until the result fits.
Image Tools
File Compressor (Zip / Unzip)
Create a zip archive from any files, or extract one — entirely in your browser. No upload, no signup, no file-size limits beyond what your browser can hold.
File Tools
Frequently asked questions
The file tools category on Uttir has 3 free tools: Utilities for working with files locally: inspect, convert, and transform without uploads. Every tool in this category runs entirely in your browser, with no signup, no uploads, and no tracking.
No. Every tool in the file tools category is free to use, with no signup, no paywall, and no limits. The site is supported by unobtrusive ads on tool pages, never on the tool itself.
Yes. Every tool in the file tools category processes your input locally in your browser. Nothing is uploaded to a server. You can verify this by opening DevTools → Network and watching for outbound requests while you use a tool.