Enlh NG

IT Manager • Productivity Enthusiast • Indie Builder Building ToolTiny — free browser-based tools for PDFs, documents, images, and everyday office tasks. Interested in automation, web development.

Vietnam Joined on Jun 8, 2026 https://tooltiny.com

Work

IT Manager

Enlh NG

Oct 1

Migrating legacy .doc/.xls/.ppt files: a runbook with acceptance tests (28 of 29 checks survived, plus one trap)

#webdev #productivity #tools #javascript

5 min read

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Enlh NG

Sep 27

Same contract, seven variants: what should a Word diff flag, and what do three methods actually flag?

#webdev #productivity #tools #javascript

5 min read

Enlh NG

Sep 24

Top 10 ways merging and splitting Excel files goes wrong (each one reproduced)

#webdev #productivity #tools #excel

5 min read

Enlh NG

Sep 22

A free AI background remover is three questions: which model, which license, where do the pixels go

#webdev #productivity #tools #images

6 min read

Enlh NG

Sep 15

Is your "free" image converter uploading your photos? A 2-minute test, and 3 ways conversion silently breaks images

#webdev #productivity #tools #images

5 min read

Enlh NG

Sep 10

I compressed 7 images 77 different ways. Here's what actually shrank (and what got ugly)

#webdev #productivity #tools #images

5 min read

Enlh NG

Sep 7

Top 5 Free Text Diff & Compare Tools Online (Privacy-First Options)

#webdev #productivity #tools #git

4 min read

Enlh NG

Sep 3

Paraphrasing tools without the hype: four ways text gets rewritten, and a short script that catches the damage

#webdev #productivity #tools #writing

5 min read

Enlh NG

Aug 28

My lorem ipsum generator promised an exact character count and hit it 15% of the time

#webdev #productivity #tools #design

5 min read

Enlh NG

Aug 23

Top 5 Free Online Case Converters (camelCase, snake_case, PascalCase & More)

#webdev #productivity #tools #javascript

3 min read

Enlh NG

Aug 20

My "one-time token" handed out the real API key in two requests

#tools #productivity #webdev

8 min read

Enlh NG

Aug 17

I Couldn't Finish Reading a 20-Page PDF Without Losing Focus. Listening to It Changed That

3 min read

Enlh NG

Aug 17

A browser can speak, but it can't give you the audio

#webdev #productivity #t

7 min read

Enlh NG

Aug 13

Build a grammar checker in 50 lines of JavaScript, then watch it fail on real, text

#javascript #tutorial #regex #writing

10 min read

Enlh NG

Aug 10

Why two word counters give you two different numbers

#webdev #productivity #tools #writing

7 min read

Enlh NG

Aug 1

I signed a PDF three ways, then tried to cheat each one

#webdev #productivity #tools #security

7 min read

Enlh NG

Jul 29

Four different things called "rotate PDF", and only one of them is lossless

#webdev #productivity #tools

6 min read

Enlh NG

Jul 26

A PDF watermark script, and the five things that went wrong when I tested it

#webdev #productivity #tools #security

6 min read

Enlh NG

Jul 24

Five things "password protect a PDF" guides skip: open vs restrict, what still leaks, and where the password is applied

#webdev #security #productivity #tools

6 min read

Enlh NG

Jul 17

Why is my PDF 22 MB? A 5-minute diagnosis before you pick a compressor

#webdev #productivity #tools #javascript

7 min read

Enlh NG

Jul 13

I deleted a page from a PDF and the file stayed the same size: merge, split and remove tested on five tools

#webdev #productivity #tools #javascript

7 min read

Enlh NG

Jul 9

Why PDF to Word conversions look "wrong": what I measured on four test PDFs

#webdev #productivity #tools #javascript

6 min read

Enlh NG

Jul 7

I broke 14 Word, Excel and PDF files on purpose. Here's what could (and couldn't) be recovered

#webdev #programming #productivity #tools

7 min read

Enlh NG

Jul 3

Merging and splitting Word files in code: what silently breaks, and why "split by page" is harder than it looks

#webdev #productivity #nocode #javascript

6 min read

Enlh NG

Jun 30

Unlock Word & Excel Files Online: What "Removing Protection" Actually Means (and What It Can't Do)

4 min read

Enlh NG

Jun 24

10 Free PDF Tools Every Developer Should Bookmark in 2026

#webdev #productivity #tools #programming

3 min read

Enlh NG

Jun 8

Why I Built a Free Online Toolkit Instead of Another SaaS Product

#productivity #webdev #opensource #software

2 min read

DEV Community

Enlh NG

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Currently learning

Migrating legacy .doc/.xls/.ppt files: a runbook with acceptance tests (28 of 29 checks survived, plus one trap)

Want to connect with Enlh NG?

Same contract, seven variants: what should a Word diff flag, and what do three methods actually flag?

Top 10 ways merging and splitting Excel files goes wrong (each one reproduced)

A free AI background remover is three questions: which model, which license, where do the pixels go

Is your "free" image converter uploading your photos? A 2-minute test, and 3 ways conversion silently breaks images

I compressed 7 images 77 different ways. Here's what actually shrank (and what got ugly)

Top 5 Free Text Diff & Compare Tools Online (Privacy-First Options)

Paraphrasing tools without the hype: four ways text gets rewritten, and a short script that catches the damage

My lorem ipsum generator promised an exact character count and hit it 15% of the time

Top 5 Free Online Case Converters (camelCase, snake_case, PascalCase & More)

My "one-time token" handed out the real API key in two requests

I Couldn't Finish Reading a 20-Page PDF Without Losing Focus. Listening to It Changed That

A browser can speak, but it can't give you the audio

Build a grammar checker in 50 lines of JavaScript, then watch it fail on real, text

Why two word counters give you two different numbers

I signed a PDF three ways, then tried to cheat each one

Four different things called "rotate PDF", and only one of them is lossless

A PDF watermark script, and the five things that went wrong when I tested it

Five things "password protect a PDF" guides skip: open vs restrict, what still leaks, and where the password is applied

Why is my PDF 22 MB? A 5-minute diagnosis before you pick a compressor

I deleted a page from a PDF and the file stayed the same size: merge, split and remove tested on five tools

Why PDF to Word conversions look "wrong": what I measured on four test PDFs

I broke 14 Word, Excel and PDF files on purpose. Here's what could (and couldn't) be recovered

Merging and splitting Word files in code: what silently breaks, and why "split by page" is harder than it looks

Unlock Word & Excel Files Online: What "Removing Protection" Actually Means (and What It Can't Do)

10 Free PDF Tools Every Developer Should Bookmark in 2026

Why I Built a Free Online Toolkit Instead of Another SaaS Product