File Converters
Image Converter (JPG, PNG, WebP)
Convert images between JPG, PNG and WebP in your browser — multiple files at once, nothing uploaded to any server.
Convert
Image Compressor & Resizer
Shrink image file size in your browser: set a maximum dimension and quality, see before/after sizes instantly. Nothing is uploaded.
Compress
CSV to Excel Converter (& Excel to CSV)
Convert CSV files to real .xlsx workbooks and Excel files back to clean CSV — entirely in your browser, no upload, no size games.
Convert
Images to PDF Converter
Combine photos and images into one PDF in your browser — reorder pages, pick quality, nothing uploaded anywhere.
Convert
HEIC to JPG Converter
Convert iPhone HEIC photos to JPG in your browser — multiple files, no upload, works with HEIF too.
Convert
Merge PDF Files
Combine multiple PDFs into one, in order you choose — processed entirely in your browser, never uploaded.
Run
Split PDF — Extract Pages
Pull selected pages or ranges out of a PDF into a new file — all in your browser, nothing uploaded.
Run
CSV ↔ JSON Converter
Convert CSV to a JSON array of objects and back — quoted fields, semicolon and tab delimiters supported, all in your browser.
Convert
Markdown to HTML Converter
Convert Markdown to clean HTML with a live preview — headings, lists, links, code blocks and more, all in your browser.
Convert
Image Grid Splitter
Split a photo into an equal grid of tiles (e.g. a 3×3 Instagram grid) — each tile downloads separately as its own PNG.
Run
Video File Size Calculator
File size from bitrate and duration — with YouTube-recommended presets per resolution, and the reverse: what bitrate fits your target size.
Calculate
Rotate PDF
Rotate all pages or a range by 90, 180 or 270 degrees — processed in your browser, never uploaded.
Run
Compress PDF
Shrink scanned and image-heavy PDFs in your browser — choose a quality level, see before/after size, nothing uploaded.
Compress