GreatestFileTools.com
Greatest File Tools
Free, privacy-first file utilities. Client-side tools process files entirely in your browser — nothing is ever uploaded.
Available now
2 toolsImage to ICO Converter
Convert any image to a .ico favicon with multi-resolution support, background removal, and edge refinement. 100% in your browser.
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Compress PDF
Reduce PDF file size with a two-stage pipeline: lossless structural optimization plus optional lossy page re-rendering. 100% in your browser.
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Coming soon
7 toolsMerge PDF
Combine multiple PDF files into a single document. Drag to reorder pages before merging.
Coming soon
Split PDF
Extract specific pages or page ranges from a PDF into a new document.
Coming soon
Compress Image
Reduce image file size while preserving quality. Supports JPEG, PNG, WebP, and AVIF.
Coming soon
Convert Image
Convert images between JPG, PNG, WebP, and AVIF with adjustable quality.
Coming soon
Image to PDF
Convert one or more images into a PDF document. Supports JPG, PNG, WebP.
Coming soon
PDF to Images
Convert each page of a PDF to a high-quality PNG or JPG image.
Coming soon
HEIC to JPG
Convert Apple HEIC and HEIF photos to JPG or PNG. No app installation needed.
Coming soon
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Privacy by design
Client-side tools (like the ICO converter) run entirely in your browser — no uploads, ever. Server tools auto-delete files after processing.