The Most Essential PDF Tools
in One Platform

Edit, convert, merge and sign your files with Lumr's online PDF tools and get access to official US government forms and ready-to-use templates.

PDF

or drop your files here

Max file size 100 MB

  • No signup needed
  • Private & encrypted
  • 256-bit SSL
  • AES-256 encrypted
  • SOC 2 Type II

15 million people, 180 countries, one simple tool

27M

Uploads

9M

Edited

17M

Converted

180+

Countries

Get Ready-Made Templates for Instant Form Creation

Draft the documents you need most, with customizable templates that you can fill in, download, and sign in minutes.

Do More With Lumr's AI PDF Tools

Summarize long documents, translate across languages, and ask your PDF anything with Lumr's PDF AI tools.

Summarize

Drowning in a 40-page report? Get the key points in a clean, readable summary, no skimming, no missed details.

Translate

Turn any PDF into the language you need while keeping its layout intact. Dozens of languages, one click.

EN
ES

Talk to your PDF

Ask questions about text contained in your PDF and get answers sourced from your document.

Ask questions about information in your documents.
Clause 4.2 references March 14, 2026. See that section in your document.

What Makes Lumr the
Best PDF Tools Platform

Use the most powerful PDF tools online, all in one place, without the hassle.

Simple text editing

Edit in a click

Fixing a typo or updating a field shouldn't mean converting your file first. Click directly into your PDF and type, just like a normal document.

All-in-one editing suite

One tool, every job

Highlight, annotate, add pages, insert images, and rearrange content without switching between apps.

Intuitive design

Simple by default

The interface is clean and familiar, so you can focus on the document instead of learning the tool.

Flexible file conversion

Any format, any way

Convert between Word, JPG, PNG, PPT, and Excel without breaking your layout or formatting. Your document looks the same on the other side.

Built-in eSignatures

Sign in seconds

Draw, type, or upload your signature and apply it directly to a document without printing, scanning, or downloading apps.

Fillable forms

Forms made easy

Build fillable forms or complete existing ones across tax, military, financial, and real estate formats, ready to download or store when you're done.

A Team With One Goal: Make PDF Editing Simple

We started with a single goal, which was to make working with PDFs simpler and faster. That's why we built a platform where you can convert between formats, fill out forms, add e-signatures, and get more done without having to install any extra software.

Why Users Choose Lumr's Online PDF Tools

See what users have to say about using Lumr for their PDF management, from editing to converting, signing, and beyond.

M

Marco De Luca

Creative Director

Honestly? I cancelled my other subscriptions. Editing a PDF here is just that smooth, and the UI doesn't make my eyes bleed, which is a huge plus.
E

Emily Watson

Small Business Owner

Running a small bakery means I wear a hundred hats. I use lumr to sign contracts, merge invoices, and fix typos in menus. Best tool I added this year.
D

David K.

Senior Software Engineer

I paste in scanned specs, OCR them, and convert to Word in seconds. It handles messy layouts surprisingly well. Way better than juggling three different apps.
S

Sofia Romero

Marketing Manager

Compressing decks before a client send used to be a chore. Now it is one drag, one drop, done. The quality stays crisp every time.
J

James O'Brien

Freelance Designer

The e-signature flow is ridiculously fast. I sent a proposal, the client signed on their phone, and it was back in my inbox before my coffee was cold.
A

Aisha Khan

Operations Lead

We process dozens of forms a week. Filling and exporting them in lumr cut our turnaround time roughly in half. The team actually enjoys it now.
L

Lukas Becker

Graduate Student

Summarizing 60-page research papers before a seminar is a lifesaver. I get the gist in a minute and dive into the details that matter.
P

Priya Nair

Product Manager

Talking to my PDFs feels like cheating. I ask where a clause is and it points me straight to it. No more endless scrolling through contracts.

Edit and Convert PDF Files in Seconds With Lumr

Upload a file and start editing or converting right away, with no learning curve and no need to download third-party apps.

  • Ready in 3 seconds
  • 256-bit SSL secure
  • Works on any device

Lumr FAQs

Everything you need to know about editing PDFs with lumr.

What is Lumr?

Lumr is an online platform packed with tools to edit, convert, sign, compress, and organize your PDF documents, right in your browser in seconds.

Is Lumr safe to use?

Yes, Lumr is perfectly safe to use, as your files are transferred over an encrypted connection and processed securely, and our PDF tools never share your documents with any third party.

Is Lumr available as a subscription or a one-time purchase?

You can start using Lumr for free, but if you want unlimited access to every tool, Lumr offers flexible plans, so you can pick the one that fits how often you work with PDFs.

How do I edit PDF files using Lumr?

To get started, simply upload your PDF, click directly into the text, or add elements like images and signatures, then download your edited document. The whole process only takes a few seconds.

What are the basic features that come with Lumr?

With Lumr, you get text and image editing, conversion to and from PDF, merging and splitting, compression, signing, password protection, and fillable forms, all available in a single online suite.

What types of files does Lumr support?

You can work with PDF, Word, Excel, PowerPoint, JPG, and PNG files, and more. Our online PDF tools let you convert between these formats without losing your original layout or formatting.

What should I do if I encounter problems or errors while using Lumr?

You can reach out to our support team anytime for a quick response, and they are always ready to help you sort out anything that isn't working as it should.

How do I choose the best PDF tools platform?

Look for one that's easy to use, handles every common task, keeps your files secure, and works on any device without an install. Lumr performs all of these tasks directly from your web browser.

Can I use Lumr on my mobile phone or tablet?

You can use Lumr on your phone or tablet, as our platform can work directly in your mobile browser, so there's no app to download and no extra setup involved.

Can Lumr help me fill out official US government or tax forms?

You can fill out official US government and tax forms directly on Lumr. Open the form you need and fill it in directly with our PDF tools. You can then sign and download it.

Do I need to download or install anything to use Lumr?

You don't need to download or install anything to use Lumr. Everything runs online, so you can jump straight into editing, converting, or signing your documents right away.

Is Lumr compatible with my web browser?

You can use our platform in any modern browser, including Chrome, Safari, Firefox, and Edge, without downloading any additional plugins or extensions.