Greatest File Tools

Convert any image to a .ico favicon with multi-resolution support, background removal, and edge refinement. Runs in your browser.

Reduce PDF file size with a two-stage pipeline: lossless structural optimization plus optional lossy page re-rendering. Runs in your browser.

Combine PDF files into one document: drag the files and their pages into order, and add images as pages. Runs in your browser.

Split any PDF by page ranges, every N pages, bookmarks, blank pages, or drag pages into named bins. Runs in your browser; files aren't sent to our servers.

Batch-compress images with Smart Compress, a quality slider, a target file size or profiles. Runs in your browser.

Batch-convert JPEG, PNG, WebP, AVIF, BMP, GIF, ICO, SVG and HEIC images to JPEG, PNG, WebP or AVIF. Three modes: single format, per-file and profiles. Runs in your browser.

Optimize SVG files by removing comments, metadata, editor bloat, and redundant whitespace. Paste or import SVGs, preview before/after size, and download in your browser.

Convert images to PDF with layout control: batch import, page size presets, placement and grid options, compression, page numbers and a watermark. Runs in your browser; files aren't sent to our servers.

Convert PDF pages to PNG, JPEG or WebP at the DPI you choose. Batch PDFs, page ranges, multi-select, grayscale/monochrome, auto-crop, ZIP export and a high-contrast grayscale preset. Runs in your browser.

Convert iPhone HEIC and HEIF photos to JPG in your browser. Batch-ready; files aren't sent to our servers.

Check a CSV file's encoding, delimiter, rows and headers, see where each problem is, and download a clean UTF-8 copy. Runs in your browser.

Convert a CSV file to an Excel workbook (.xlsx) with every cell kept exactly as typed, or one sheet of an Excel workbook to CSV. Runs in your browser.