PrimeKit Labs builds native desktop software for documents and data. We read the spec, test against the strangest files we can find, and ship apps that work offline and stay out of your way.
products
Each one starts from the file format or the database protocol, not from a template. Here’s what’s on the bench.
getfreepdfeditor.com
Edit the PDF itself.
A native app that changes the text inside the file, in the font that’s already embedded in it, and saves everything you didn’t touch byte for byte.
- <001A> Tj % "7"+ [-556.00116] TJ % advance, no glyph+ /FXF1 14 Tf % same font, 7 0 R+ [<00140017>] TJ % "14"
desktop · in development
One workbench for every SQL database.
A fast desktop workbench: tabbed editor with dialect-aware completion, a results grid you can edit inline, and inspectors for tables, objects and servers.
-- top customers this quarterSELECT c.name, count(*) AS orders FROM customers c JOIN orders o ON o.customer_id = c.id WHERE o.created_at >= '2026-07-01' GROUP BY c.name ORDER BY orders DESC LIMIT 10;
how we work
We would rather spend a week on a corner case than ship a feature that corrupts one file in a thousand. A few numbers that keep us honest:
0 B
Our apps work offline. Free PDF Editor’s only network request is a check for a new version.
182
Broken cross-reference tables, Type3 and CID fonts, encrypted and rotated PDFs. Each is saved, compared byte for byte, edited and checked again.
Ed25519
Every update is verified against a key built into the app before a single file is replaced.
4
Completion that knows the difference between PostgreSQL, MySQL, SQL Server and SQLite, because they really are different.
$ cat stack.txt
contact
No ticket queue, no chatbot. Every message is read by an engineer.
contact@primekitlabs.com
PrimeKit Labs