True redaction removes the text and images from the file — not a black box on top. Plus real in-place text editing, fill + sign, reorder pages, and OCR.
LaunchEdit text in place, sign, redact, fill forms, and reorganize PDF files in your browser — all on your device. No upload, no subscription.
Drop two versions of a contract or drawing set. Moved notes read as moves, changed values light up digit by digit, and hidden text is named.
LaunchSide-by-side or overlay PDF diff driven by one engine that reads each file into a structured model — text, vector geometry, images, form fields, annotations — and compares the models. Moves show as moves, edits show only where they happened, and any PDF type works without picking a mode.
Drop a Gerber ZIP, an ODB++ .tgz or an IPC-2581 .xml and inspect every layer — compare revisions, snap-to-pad measure, run DRC and preview the board in 3D.
LaunchOpen Gerber, Excellon, ODB++ and IPC-2581 PCB files. Inspect layers, measure traces, run DRC, export to PNG / SVG / DXF.
Open a .step / .stp part and it measures itself: volume, thinnest wall, draft and undercuts on load, and a hole list with a BOM in one click. Measure, section, export STL.
LaunchOpen a STEP / STP part and it measures itself — volume, thinnest wall, draft and undercut checks on load, plus hole detection with a BOM. Measure, section, export STL. Rust + WASM B-rep kernel, runs in your browser.
Compress, merge, split, convert, and manipulate PDF files.
Resize, compress, convert, and transform images.
Convert, compress, and cut audio and video — MP3, WAV, MP4, WebM, Opus — all in your browser, nothing uploads.
Simulate a canning process down to its F0 sterilizing value.
Encrypt files, share encrypted notes as links, and read passport IDs and Windows event logs.
Analyze packet captures, move files between devices, and console into network gear — nothing uploads.
Scan receipts into an expense ledger — your receipts and spending stay on your device.
View, measure, and repair CAD and 3D files — STEP, STL, OBJ, PLY, GLB, 3MF, DXF, and Gerber — right in your browser. Nothing uploads.
Fermented milk from Slovakia
Žinčica is a lightly sour drink made at shepherds' huts from the ewe's-milk whey left after making lump cheese (hrudka), the raw material of bryndza. The whey is heated until its proteins float up as a thick layer (urda), which is skimmed off, stirred, cooled and left covered overnight to sour. Lactic acid bacteria of the cheese make does most of the fermenting.
| Temperature | 90–95 °CReported[fermdb] | Heat the whey until the proteins rise |
|---|---|---|
| Acidity | pH up to 5.2Reported[fermdb] | Cover and sour until the next day |
| Ewe's-milk whey · Left in the pot after the lump cheese is lifted out[ludovakultura][fermdb] |
| No added starter · Lactic bacteria from the cheese make and the vessels sour it[fermdb] |
| Starter: spontaneous (lactic flora carried over from the cheese make); older žinčica is mixed in for a sour batch |
What changes: The whey left after lifting out the sheep's cheese stays in the kettle
Output: ewe's-milk whey.
Microbes at work in this step
Not documented for this step.
Measured measured in a studySet fixed by a specification or tested recipeReported one source reports itTypical a general value, not sourced for this fermentUnconfirmed not yet checked against a source
Žinčica is the drink side of the sheep-cheese make. Unlike bryndza or the lump cheese it is made from the whey, and unlike Icelandic sýra it is heated first and drunk within a day rather than kept for months.
The whey is heated to 90–95 °C before it sours, which works like pasteurisation, and it is then soured to pH 5.2 or below and drunk cooled. Enterococci isolated from žinčica were free of haemolysis and mostly lacked virulence genes (Lauková et al. 2020).
Every number is labelled with how it is known. How this atlas is made
Žinčica was made at sheep huts across the Slovak Carpathians; shepherds drank it every day, fed the rest to dogs and pigs, and used it as a remedy for lung and stomach complaints (Encyclopedia of Slovak folk culture).
