Single-purpose file tools

Small, focused tools for one-off file jobs — turn a document into Markdown, fix a character encoding, mask personal information. No account, no install. Most of them run entirely inside your browser, so the file is never uploaded. Pick a tool below.

Convert a document to Markdown

One converter, thirteen formats. Every page below accepts every format — pick whichever matches the file in front of you. Nothing is uploaded.

Split and extract

Split a PDF into pages

Every page as its own file, in a ZIP

Character encoding

Shift_JIS ⇄ UTF-8

Fix a text file that opens as garbled characters
Detect a file's encoding

Find out which encoding a text file uses

Privacy

Redact personal information

Mask names, addresses and ID numbers in text

It's free to use for now — if a tool saved you time, leave a tip on Ko-fi ☕