Tools that stay on your device
ON YOUR DEVICE
↖ every single oneFree and open source, no sign-up. A personal project, built private, secure, and simple.
Images to PDF
Turn photos or scans into one PDF.
Markdown to PDF
Turn a markdown file into a PDF.
Merge PDF
Combine PDFs into one file, in the order you pick.
Organize PDF
Reorder, delete, or pull in pages from other PDFs.
Compress PDF
Shrink a PDF to a smaller file size.
Split PDF
Pull pages out of a PDF, by range or one file per page.
Image
10 toolsBulk Image Tools
Resize, compress, or convert many images at once.
Compress Image
Shrink an image to a smaller file size.
Convert Image
Change an image between PNG, JPEG, and WebP.
Crop Image
Trim an image down to a region.
HEIC to JPG
Turn an iPhone photo into a regular JPG.
Image Metadata
See what's hiding in a photo's metadata, and clear it.
PDF to Images
Export every page of a PDF as JPG or PNG.
Resize Image
Shrink or enlarge an image, in px or %.
Dev
7 toolsCron builder
Read a cron expression, or build one from a sentence.
CSV stats
Row and column counts, column type, empties, and uniques.
JSON to CSV
Convert between JSON and CSV, either direction.
JSON format
Format, minify, or validate JSON, with a tree view.
JSON to types
JSON sample to TypeScript, Zod, JSON Schema, or OpenAPI.
JSON to YAML
Convert between JSON and YAML, either direction.
Timestamp converter
A unix timestamp in any timezone, with a live countdown.
Text
2 toolsGenerate
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