feat: add ignorePermissions flag to removeProtection()

[Mythie]

No description provided.

[vercel]

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Project	Deployment	Actions	Updated
core	Ready	Preview	Sep 25, 2026 6:39am UTC

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Benchmark Results

Comparison

Load PDF

Benchmark	Mean	p99	RME	Samples
libpdf	18.79ms	20.88ms	±1.8%	27
pdf-lib	221.73ms	224.91ms	±0.7%	10
@cantoo/pdf-lib	217.37ms	228.48ms	±1.4%	10

Create blank PDF

Benchmark	Mean	p99	RME	Samples
libpdf	68μs	154μs	±2.1%	7371
pdf-lib	364μs	1.45ms	±2.8%	1376
@cantoo/pdf-lib	455μs	1.80ms	±3.0%	1099

Add 10 pages

Benchmark	Mean	p99	RME	Samples
libpdf	126μs	219μs	±1.3%	3965
pdf-lib	452μs	2.03ms	±3.6%	1107
@cantoo/pdf-lib	474μs	2.76ms	±4.3%	1055

Draw 50 rectangles

Benchmark	Mean	p99	RME	Samples
libpdf	385μs	1.14ms	±2.0%	1299
pdf-lib	1.69ms	9.87ms	±9.2%	296
@cantoo/pdf-lib	1.63ms	5.04ms	±5.9%	307

Load and save PDF

Benchmark	Mean	p99	RME	Samples
libpdf	19.12ms	23.75ms	±3.1%	27
pdf-lib	325.97ms	341.11ms	±1.3%	10
@cantoo/pdf-lib	588.07ms	607.02ms	±1.4%	10

Load, modify, and save PDF

Benchmark	Mean	p99	RME	Samples
libpdf	347.70ms	362.66ms	±1.3%	10
pdf-lib	316.90ms	331.50ms	±1.6%	10
@cantoo/pdf-lib	580.48ms	595.52ms	±1.7%	10

Extract single page from 100-page PDF

Benchmark	Mean	p99	RME	Samples
libpdf	3.70ms	4.50ms	±1.0%	136
pdf-lib	9.16ms	11.28ms	±2.1%	55
@cantoo/pdf-lib	9.38ms	10.94ms	±1.9%	54

Split 100-page PDF into single-page PDFs

Benchmark	Mean	p99	RME	Samples
libpdf	40.75ms	44.49ms	±2.3%	13
pdf-lib	72.79ms	77.04ms	±4.1%	7
@cantoo/pdf-lib	81.94ms	106.78ms	±12.7%	7

Split 2000-page PDF into single-page PDFs (0.9MB)

Benchmark	Mean	p99	RME	Samples
libpdf	775.45ms	775.45ms	±0.0%	1
pdf-lib	1.35s	1.35s	±0.0%	1
@cantoo/pdf-lib	1.46s	1.46s	±0.0%	1

Copy 10 pages between documents

Benchmark	Mean	p99	RME	Samples
libpdf	4.80ms	5.94ms	±1.3%	105
pdf-lib	11.68ms	13.02ms	±1.4%	43
@cantoo/pdf-lib	13.19ms	14.50ms	±1.6%	38

Merge 2 x 100-page PDFs

Benchmark	Mean	p99	RME	Samples
libpdf	16.37ms	17.26ms	±1.1%	31
pdf-lib	52.82ms	55.84ms	±1.8%	10
@cantoo/pdf-lib	63.57ms	65.91ms	±1.3%	8

Fill FINTRAC form fields

Benchmark	Mean	p99	RME	Samples
libpdf	21.12ms	24.78ms	±2.9%	24
pdf-lib	27.64ms	37.87ms	±4.7%	19
@cantoo/pdf-lib	27.55ms	35.93ms	±4.4%	19

Fill and flatten FINTRAC form

Benchmark	Mean	p99	RME	Samples
libpdf	17.51ms	22.74ms	±3.1%	29
pdf-lib	FAILED	-	-	0
@cantoo/pdf-lib	30.72ms	44.62ms	±6.4%	17

Copying

Copy pages between documents

Benchmark	Mean	p99	RME	Samples
copy 1 page	1.13ms	2.12ms	±2.6%	442
copy 10 pages from 100-page PDF	4.73ms	7.62ms	±2.3%	106
copy all 100 pages	7.97ms	8.80ms	±1.0%	63

Duplicate pages within same document

Benchmark	Mean	p99	RME	Samples
duplicate page 0	1.02ms	1.49ms	±0.8%	491
duplicate all pages (double the document)	1.04ms	1.49ms	±0.8%	484

Merge PDFs

Benchmark	Mean	p99	RME	Samples
merge 2 small PDFs	1.56ms	2.01ms	±1.0%	320
merge 10 small PDFs	8.35ms	13.13ms	±2.8%	60
merge 2 x 100-page PDFs	15.01ms	15.85ms	±0.9%	34

Drawing

benchmarks/drawing.bench.ts

Benchmark	Mean	p99	RME	Samples
draw 100 rectangles	635μs	1.39ms	±1.9%	788
draw 100 circles	945μs	1.87ms	±1.7%	530
draw 100 lines	577μs	1.19ms	±1.3%	867
draw 100 text lines (standard font)	1.64ms	2.97ms	±1.8%	305
create 10 pages with mixed content	1.49ms	2.60ms	±1.9%	336

Forms

benchmarks/forms.bench.ts

Benchmark	Mean	p99	RME	Samples
get form fields	3.27ms	5.98ms	±3.2%	153
fill text fields	13.81ms	24.20ms	±6.0%	37
read field values	2.97ms	5.10ms	±2.3%	169
flatten form	8.33ms	10.93ms	±1.5%	61

Loading

benchmarks/loading.bench.ts

Benchmark	Mean	p99	RME	Samples
load small PDF (888B)	65μs	202μs	±1.6%	7656
load medium PDF (19KB)	93μs	133μs	±0.6%	5385
load form PDF (116KB)	1.27ms	2.35ms	±1.4%	395
load heavy PDF (2.0MB)	19.00ms	20.70ms	±1.4%	27

Saving

benchmarks/saving.bench.ts

Benchmark	Mean	p99	RME	Samples
save unmodified (19KB)	115μs	340μs	±1.7%	4356
save with modifications (19KB)	845μs	1.56ms	±1.5%	592
incremental save (19KB)	179μs	369μs	±1.1%	2794
save heavy PDF (2.0MB)	18.32ms	19.96ms	±1.2%	28
incremental save heavy PDF (2.0MB)	19.28ms	22.61ms	±2.0%	26

Splitting

Extract single page

Benchmark	Mean	p99	RME	Samples
extractPages (1 page from small PDF)	1.13ms	2.20ms	±2.6%	444
extractPages (1 page from 100-page PDF)	3.59ms	4.12ms	±0.8%	140
extractPages (1 page from 2000-page PDF)	56.79ms	64.10ms	±3.3%	10

Split into single-page PDFs

Benchmark	Mean	p99	RME	Samples
split 100-page PDF (0.1MB)	40.23ms	43.00ms	±1.6%	13
split 2000-page PDF (0.9MB)	721.24ms	721.24ms	±0.0%	1

Batch page extraction

Benchmark	Mean	p99	RME	Samples
extract first 10 pages from 2000-page PDF	57.58ms	59.56ms	±1.3%	9
extract first 100 pages from 2000-page PDF	61.08ms	62.75ms	±1.4%	9
extract every 10th page from 2000-page PDF (200 pages)	67.60ms	69.64ms	±1.5%	8

Environment

• Runner: Linux (X64)
• Runtime: Bun 1.4.2
• Libraries: @libpdf/core 0.5.0 (this repo), pdf-lib 1.17.1, @cantoo/pdf-lib 2.9.1

Results are machine-dependent.