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hao jia

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Joined on Aug 24, 2026

hao jia

Sep 20

A PDF is its own reference when you verify the images you pulled out of it

#webdev #javascript

4 min read

hao jia

Sep 19

Our PDF upload limit says 2 MB. I tested auto-compression before adding it

#webdev #javascript

4 min read

hao jia

Sep 18

Same 150 KB, three formats: what you actually get

#webdev #javascript

4 min read

hao jia

Sep 17

Your thumbnails look washed out: it's the ICC profile, not JPEG quality

#webdev #javascript

4 min read

hao jia

Sep 16

Chrome fires onerror, WebKit shows it: feature-detect HEIC before you preview

#webdev #javascript

4 min read

hao jia

Sep 15

canPlayType said ‘probably’ in three engines; only two kept my transparent WebM transparent

#webdev #javascript

4 min read

hao jia

Sep 14

Upright in the upload preview, sideways after the server saved it

#webdev #javascript

5 min read

hao jia

Sep 12

sort=True put both columns of a real arXiv paper on the same line

#webdev #javascript

5 min read

hao jia

Sep 11

Client-side or server-side image compression? How I decide per project

#webdev #javascript

3 min read

hao jia

Sep 9

A 14-page report through HTML-to-PDF 4.8MB to 1.5MB

#webdev #javascript

3 min read

hao jia

Sep 8

Send a proposal without making them install Office or accept a PDF

#webdev #javascript

2 min read

hao jia

Sep 7

Fitting a video under a size cap without turning it to mush

#webdev #javascript

3 min read

hao jia

Sep 6

OCR's hard part isn't reading characters, it's rebuilding the layout

#webdev #javascript

2 min read

hao jia

Sep 5

Is a 4x upscale twice as sharp as 2x? I measured what it actually adds

#webdev #javascript

2 min read

hao jia

Sep 4

Four places I check before shipping a cutout

#webdev #javascript

3 min read

hao jia

Sep 3

The images can't leave our network, so I picked the tool that doesn't send them

#webdev #javascript #privacy

3 min read

hao jia

Sep 2

DPI is an input, not a property of the file you get back

#webdev #javascript #pdf

3 min read

hao jia

Sep 1

The WebP that was 92% smaller — because it only had one frame left

#webdev #javascript #images

4 min read

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