penpost , Small tools. Zero friction.
New tools added regularly, nothing to install

Get the small task done,
then get back to work.

Word counts, PDF fixes, converters, generators: every tool runs in your browser, gives you the result, and gets out of your way. No account, no upload to a server.

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Popular tools

Start with what everyone reaches for first.

A handful of favorites. The rest are one click away on the full tools page.

View all tools
No popular tools match that search. the full library is on the All Tools page
Categories

Or browse by category

Every tool on penpost lives in one of five groups. Jump to the full list.

Text & Content

Counters, converters, generators

PDF Utilities

Compress, merge, convert

Image Tools

Resize, crop, convert

Development

JSON, regex, hashing

Utilities

QR codes, passwords, units
Who it’s for

Built for whatever’s on your plate today

Same tools, different jobs. A few common ways people use penpost.

Developers

Format a JSON blob, test a regex, or hash a string without leaving the browser tab you’re already in.

JSON FormatterRegex TesterHash Generator

Writers & marketers

Check word counts, clean up spacing, and generate placeholder copy while drafting or reviewing.

Word CounterCase ConverterLorem Ipsum

Students

Shrink a PDF before a submission portal rejects it, or check the exact age or date interval for a form.

PDF CompressorAge CalculatorUnit Converter

Freelancers & designers

Convert client images, pull a color from a mockup, or turn a JPG into a clean, shareable PDF.

PNG to JPGColor PickerJPG to PDF
How it works

Three steps. No third one you didn’t expect.

Every tool on penpost follows the same shape, so once you’ve used one, you already know how to use the rest.

01

Pick a tool

Search or browse by category. Each tool does exactly one job, nothing bundled, nothing to configure first.

02

Drop in your input

Paste text, upload a file, or type a value. It stays on your device, nothing is sent to a server to process.

03

Get your result

Formatted, converted, or generated instantly. Copy it, download it, or run the next tool. No waiting room.

Why penpost

Everything you need. Nothing that phones home.

  • Runs the instant you press enter

    Processing happens in your browser tab, so there’s no upload, no queue, no spinner waiting on a server.

  • Your files never leave your device

    We don’t store, log, or get a copy of what you paste or upload. Close the tab and it’s gone.

  • Free means free

    No premium tier, no locked features, no surprise paywall on tool 3. Every tool stays free.

local session
$ open penpost/word-counter
→ pasted 812 words, 4,531 characters
$ run ✓ done in 0.04s
{ “words”: 812, “characters”: 4531, “reading_time”: “3m 14s”, “uploaded_to_server”: false }
$
FAQ

Good to know

Yes, every tool is free to use, with no premium plan, usage cap, or hidden charge behind any of them.
No. Tools run client-side in your browser, so text and files you enter are never uploaded or logged on our servers.
Always. If there’s a small, repetitive task you’re solving with three browser tabs and a spreadsheet, tell us. That’s exactly what penpost is for.
No account, no email, no login. Open a tool and start using it.

Pick a tool. It’s free forever.

Thousands of small tasks, one tool each. Find yours in under ten seconds.