DEV Community: Clark Devlin

Common PDF Tasks You Can Stop Installing Apps For

Clark Devlin — Thu, 13 Aug 2026 05:29:21 +0000

Common PDF Tasks You Can Stop Installing Apps For

PDF software has a reputation: either overpriced desktop suites, or sketchy downloaders. But the core PDF tasks most people need — merging, splitting, extracting — are genuinely solvable in a browser tab.

The 4 PDF tasks people do most

1. Merging PDFs
Combine two or more PDF files into a single document. Many "merge" tools watermark or upload your files; the right approach does it locally via the PDF merge tool.

2. Splitting a PDF
Pick pages or a page range, and get each page as a separate file. Try the PDF splitter.

3. Rotating pages
90°, 180°, 270° — great for scanned documents that are sideways. See PDF rotate.

4. PDF → image
Need the first page of a contract as a PNG for an email? Renderer options are available in pdf tools — and unlike screenshotting, you get clean output at 1:1 scale.

Privacy matters for PDFs especially

Contracts, invoices, bank statements... precisely the files you don't want sent to a random server. When the tool runs client-side (browser reads the file locally, no upload), the file physically cannot leak. The 9free.app PDF tools are built this way — no account, no upload, everything local.

Quick workflow

Open pdf.9free.app.
Upload 2+ PDFs, see the list, reorder.
Click merge, download merged.pdf locally.

That's it. Next time someone sends you "part1.pdf" and "part2.pdf", you know exactly where to go — no install involved.

5 Luau Tips That Make Your Roblox Scripts More Reliable

Clark Devlin — Mon, 10 Aug 2026 06:30:30 +0000

5 Luau Tips That Make Your Roblox Scripts More Reliable

Writing Roblox scripts is fun, but making them reliable across updates is an art. Here are five practical tips.

1. Always guard against nil

local remote = game:GetService("ReplicatedStorage"):FindFirstChild("Remote")
if not remote then return end

2. Use `task.spawn` over coroutines

task.spawn is the modern, safer way to run async work without blocking.

3. Localize frequently-used services

local RunService = game:GetService("RunService")

This is faster and cleaner.

4. Debounce your buttons

Never fire a remote twice in the same frame.

5. Learn from working examples

The fastest way to level up is reading working scripts. I maintain a curated collection at BloxScripter — 12,000+ scripts with status tracking, so you always see code that actually runs today.

Wrap up

Solid fundamentals + real examples = reliable scripts. Check out the collection and happy coding!

QR Codes Still Are Everywhere: How to Generate and Scan Them Free

Clark Devlin — Mon, 10 Aug 2026 06:01:30 +0000

QR Codes Still Are Everywhere: How to Generate and Scan Them Free

QR codes never went away — they just became invisible in daily life. Payment links, restaurant menus, WiFi setup, event check-in, product packaging. If you create any kind of content, knowing how to generate a clean QR code is a superpower.

When you actually need a QR code

Menus & invoices — in redirect to the mobile-friendly version of your page.
WiFi credentials — share access without saying the password out loud.
Payments — a link that opens the payment page directly on mobile.
Event check-ins — a code on screen or ticket that links to a sign-in page.

Generate in 10 seconds (no account)

You don't need a paid service for a simple QR:

Head to the free QR Code Generator.
Paste the URL or text you want to encode.
Pick a size, choose dark/background colors if you care about branding.
Download as PNG (for print/web) or SVG (for crisp scaling).

Scan offline

You can also scan QR codes from an image file — no camera required. Upload a screenshot of a QR code and it decodes it locally, in the browser, nothing uploaded.

Why browser-based generation is nice

No sign-up, no 5-credits-per-month scams, no watermark stamped across your QR. The generator at 9free.app uses the open-source qrcode-generator library, all client-side.

Generate your next QR code at qr.9free.app — free, private, and it works right from your browser.

Stop Uploading Files to Random Sites: Private, In-Browser Tools That Just Work

Clark Devlin — Sat, 08 Aug 2026 13:11:03 +0000

Stop Uploading Files to Random Sites: Private, In-Browser Tools That Just Work

Every time you upload a document or image to a random online tool, you're trusting a stranger's server with your file. For many of us that feels uncomfortable — and it should be.

The modern alternative: tools that process everything locally in your browser. Nothing is uploaded, nothing is stored, and your files never leave your device.

What can you actually do client-side?

A surprising amount. The modern web platform (Canvas, PDF libraries, speech synthesis) is powerful enough to do real work without a backend:

PDF utilities — merge multiple PDFs into one, split pages, rotate, and even render a PDF page to PNG, all locally with the 9free.app PDF tools.
Image processing — convert between JPG/PNG/WebP/GIF, compress, resize, and crop images without an upload button anywhere. Try the image converter or the image compressor.
QR codes — generate a QR code from any text or URL and download it as PNG/SVG, or scan a QR from a file. See QR Code Generator.
Dev utilities — JSON formatter, Base64 encoder/decoder, hash generator (MD5/SHA-1/SHA-256), regex tester, XML formatter, timestamp converters.
Text tools — word counter, case converter, text diff, Lorem Ipsum generator, Markdown preview.
Color tools — pick a color and get HEX/RGB/HSL, generate harmonious palettes, check WCAG contrast ratios.
Text-to-speech — paste text and have your browser read it aloud, no account needed.

Why this matters

Privacy by default — no server ever sees your file.
Speed — no upload/download round trip; results are instant.
Reliability — works even if a service shuts down; it's just JavaScript in your tab.
No signup walls — no accounts, no credit card, no data harvesting.

Where to find them

A handy collection of these utilities lives at 9free.app — free, no signup, and every tool runs entirely in your browser. Bookmark the QR code generator and PDF merge; they're the two I revisit the most.

Next time you're about to upload a sensitive file to a random converter, ask yourself: does this really need a server? Usually, the answer is no.

Best Roblox Games with Active Script Communities Right Now

Clark Devlin — Thu, 06 Aug 2026 05:36:02 +0000

Best Roblox Games with Active Script Communities Right Now

Some Roblox games have huge, active scripting scenes. Here are the ones with the most reliable scripts and utilities.

99 Nights in the Forest

A survival game where scripted utilities (kill aura, auto-fill hunger, auto-bring items) are genuinely useful. Find working builds on BloxScripter's game page.

Blox Fruits

The classic. Script hubs for auto-farm, teleports, and fruit finding are updated almost weekly — check the trending list.

Arsenal

Aim assist and ESP scripts are popular here. Always verify the script status before injecting.

Where to find them all

Rather than hopping between discords and sketchy sites, I use BloxScripter — every script has a status badge (working/update needed), a creator profile, and views/likes so you can judge quality at a glance.

Pro tip: bookmark the latest scripts page and check it daily. New working scripts get posted fast.

Level Up Your Roblox Scripts: A Curated Database Worth Bookmarking

Clark Devlin — Wed, 05 Aug 2026 19:06:43 +0000

Level Up Your Roblox Scripts: A Curated Database Worth Bookmarking

Finding reliable Roblox scripts is a hassle — broken links, outdated executors, low-quality copies. After months of compiling, here's a clean, organized approach.

The resource I keep coming back to is BloxScripter — a database of 12,000+ Roblox scripts updated daily. It tracks status, creator, executors, and new scripts with thumbnail previews.

Why you should bookmark it

Daily updates — new scripts added every day, not a static list.
Searchable — filter by game, creator, executor compatibility.
Status tracking — see if a script is working before you waste your executor.
Trending — see what's hot right now.

Quick workflow

Browse the latest scripts page.
Filter by your favorite game (e.g. 99 Nights in the Forest).
Copy the script, paste into your executor, done.

Final thought

A good script library saves hours. Bookmark BloxScripter and you'll never run dry of ideas. Happy scripting!

DEV Community: Clark Devlin

Common PDF Tasks You Can Stop Installing Apps For

Common PDF Tasks You Can Stop Installing Apps For

The 4 PDF tasks people do most

Privacy matters for PDFs especially

Quick workflow

5 Luau Tips That Make Your Roblox Scripts More Reliable

5 Luau Tips That Make Your Roblox Scripts More Reliable

1. Always guard against nil

2. Use task.spawn over coroutines

3. Localize frequently-used services

4. Debounce your buttons

5. Learn from working examples

Wrap up

QR Codes Still Are Everywhere: How to Generate and Scan Them Free

QR Codes Still Are Everywhere: How to Generate and Scan Them Free

When you actually need a QR code

Generate in 10 seconds (no account)

Scan offline

Why browser-based generation is nice

Stop Uploading Files to Random Sites: Private, In-Browser Tools That Just Work

Stop Uploading Files to Random Sites: Private, In-Browser Tools That Just Work

What can you actually do client-side?

Why this matters

Where to find them

Best Roblox Games with Active Script Communities Right Now

Best Roblox Games with Active Script Communities Right Now

99 Nights in the Forest

Blox Fruits

Arsenal

Where to find them all

Level Up Your Roblox Scripts: A Curated Database Worth Bookmarking

Level Up Your Roblox Scripts: A Curated Database Worth Bookmarking

Why you should bookmark it

Quick workflow

Final thought

2. Use `task.spawn` over coroutines