How to change the PDF paper size from Command Line? I would like to change from Letter paper size to A4 paper size, how do I do that?

VeryPDF has a pdfresizer.exe Command Line application, you can run this PDF Resizer Command Line application from command line to change the paper size to PDF files easily, for example, you can run following command line to convert any paper size in PDF file to Letter paper size,

pdfresizer.exe -resizepaper "612x792" D:\downloads\test.pdf D:\downloads\out.pdf

If you need this pdfresizer.exe Command Line application, please feel free to contact us, we will assist you asap,

http://support.verypdf.com/open.php

Question:
This command line is working very well to change the paper size in my PDF files. Is there any documentation you can pass along that would list the batch options that are available? I am particularly interested in the -resizepaper switch.

-resizepaper "612x792" converts PDF paper size to letter size.

Where does the 612x792 come from?

Answer:
612x792 are points for the letter paper size, you can choose more paper sizes like below,

A4 paper size is 595x842 points,
A3 paper size is 842x1191 points,
A2 paper size is 1191x1684 points,
A1 paper size is 1684x2384 points,
Legal paper size is 612x1009 points,
Letter paper size is 612x792 points,
and son on.

paper-sizes
A quite extensive list of paper sizes in mm, inches and points.

ISO paper sizes

Paper size	mm	inches	points
A0	841 x 1189	33.1 x 46.8	2384 x 3370
A1	594 x 841	23.4 x 33.1	1684 x 2384
A10	26 x 37	1 x 1.5	74 x 105
A2	420 x 594	16.5 x 23.4	1191 x 1684
A3	297 x 420	11.7 x 16.5	842 x 1191
A4	210 x 297	8.3 x 11.7	595 x 842
A5	148 x 210	5.8 x 8.3	420 x 595
A6	105 x 148	4.1 x 5.8	298 x 420
A7	74 x 105	2.9 x 4.1	210 x 298
A8	52 x 74	2 x 2.9	147 x 210
A9	37 x 52	1.5 x 2	105 x 147
B0	1414 x 1000	55.7 x 39.4	4008 x 2835
B1	1000 x 707	39.4 x 27.8	2835 x 2004
B1+	1020 x 720	40.2 x 28.3	2891 x 2041
B10	44 x 31	1.7 x 1.2	125 x 88
B2	707 x 500	27.8 x 19.7	2004 x 1417
B2+	720 x 520	28.3 x 20.5	2041 x 1474
B3	500 x 353	19.7 x 13.9	1417 x 1001
B4	353 x 250	13.9 x 9.8	1001 x 709
B5	250 x 176	9.8 x 6.9	709 x 499
B6	176 x 125	6.9 x 4.9	499 x 354
B7	125 x 88	4.9 x 3.5	354 x 249
B8	88 x 62	3.5 x 2.4	249 x 176
B9	62 x 44	2.4 x 1.7	176 x 125
C0	1297 x 917	51.5 x 36.1	3677 x 2599
C1	917 x 648	36.1 x 25.5	2599 x 1837
C10	40 x 28	1.6 x 1.1	113 x 79
C2	648 x 458	25.5 x 18	1837 x 1298
C3	458 x 324	18 x 12.8	1298 x 918
C4	324 x 229	12.8 x 9	918 x 649
C5	229 x 162	9 x 6.4	649 x 459
C6	162 x 114	6.4 x 4.5	459 x 323
C7	114 x 81	4.5 x 3.2	323 x 230
C8	81 x 57	3.2 x 2.2	230 x 162
C9	57 x 40	2.2 x 1.6	162 x 113

North American sizes

Paper size	mm	inches	points
Government-Letter	203.2 x 266.7	8 x 10.5	576 x 756
Junior Legal	127 x 203	5 x 8	360 x 575
Ledger	432 x 279	17 x 11	1225 x 791
Legal	216 x 356	8.5 x 14	612 x 1009
Letter	216 x 279	8.5 x 11	612 x 791
Tabloid	279 x 432	11 x 17	791 x 1225

ANSI paper sizes

Paper size	mm	inches	points
ANSI A (letter)	216 x 279	8.5 x 11	612 x 791
ANSI B (ledger & tabloid)	279 x 432	11 x 17	791 x 1225
ANSI C	432 x 559	17 x 22	1225 x 1585
ANSI D	559 x 864	22 x 34	1585 x 2449
ANSI E	864 x 1118	34 x 44	2449 x 3169

Architectural paper sizes

Paper size	mm	inches	points
Arch A	229 x 305	9 x 12	649 x 865
Arch B	305 x 457	12 x 18	865 x 1295
Arch C	457 x 610	18 x 24	1295 x 1729
Arch D	610 x 914	24 x 36	1729 x 2591
Arch E	914 x 1219	36 x 48	2591 x 3455
Arch E1	762 x 1067	30 x 42	2160 x 3025
Arch E2	660 x 965	26 x 38	1871 x 2735
Arch E3	686 x 991	27 x 39	1945 x 2809

Business card sizes

Paper size	mm	inches	points
Business card (Japan)	55 x 91	2.2 x 3.6	156 x 258
Business card (UK)	55 x 85	2.2 x 3.3	156 x 241
Business card (US)	51 x 89	2 x 3.5	145 x 252

Common US press sheet sizes

Paper size	mm	inches	points
11 x 17	279.4 x 431.8	11 x 17	792 x 1224
12 x 18	304.8 x 457.2	12 x 18	864 x 1296
17 x 22	431.8 x 558.8	17 x 22	1224 x 1584
19 x 25	482.6 x 635	19 x 25	1368 x 1800
20 x 26	508 x 660.4	20 x 26	1440 x 1872
23 x 29	584.2 x 736.6	23 x 29	1656 x 2088
23 x 35	584.2 x 889	23 x 35	1656 x 2520
24 x 36	609.6 x 914.4	24 x 36	1728 x 2592
25 x 38	635 x 965.2	25 x 38	1800 x 2736
26 x 40	660.4 x 1016	26 x 40	1872 x 2880
28 x 40	711.2 x 1016	28 x 40	2016 x 2880
35 x 45	889 x 1143	35 x 45	2520 x 3240
38 x 50	965.2 x 1270	38 x 50	2736 x 3600

Miscellaneous

Paper size	mm	inches	points
1/3 A4	99 x 210	3.9 x 8.3	281 x 595
48 sheet billboard	6096 x 3048	240 x 120	17280 x 8640
A format paperback	110 x 178	4.3 x 7	312 x 505
A4 square	210 x 210	8.3 x 8.3	595 x 595
B format paperback	130 x 198	5.1 x 7.8	369 x 561
CD case insert	120 x 120	4.7 x 4.7	340 x 340
Gutenberg Bible	280 x 398	11 x 15.7	794 x 1128

RA & SRA paper sizes

Paper size	mm	inches	points
RA0	860 x 1220	33.0125 x 46.75	2438 x 3458
RA1	610 x 860	24 x 33.9	1729 x 2438
RA2	430 x 610	16.9 x 24	1219 x 1729
RA3	305 x 430	12 x 16.9	865 x 1219
RA4	215 x 305	8.5 x 12	609 x 865
SRA0	900 x 1280	35.4 x 50.4	2551 x 3628
SRA1	640 x 900	25.2 x 35.4	1814 x 2551
SRA2	450 x 640	17.7 x 25.2	1276 x 1814
SRA3	320 x 450	12.6 x 17.7	907 x 1276
SRA4	225 x 320	8.9 x 12.6	638 x 907

US Announcement envelope sizes

Paper size	mm	inches	points
A-10 envelope	152.4 x 241.3	6 x 9.5	432 x 684
A-2 envelope	111.125 x 146.05	4.375 x 5.75	315 x 414
A-6 envelope	120.65 x 165.1	4.75 x 6.5	342 x 468
A-7 envelope	133.35 x 184.15	5.25 x 7.25	378 x 522
A-8 envelope	139.7 x 206.375	5.5 x 8.125	396 x 585
A-Slim envelope	98.425 x 225.425	3.875 x 8.875	279 x 639

US Baronial envelope sizes

Paper size	mm	inches	points
4 Baronial envelope	92.075 x 130.175	3.625 x 5.125	261 x 369
5.5 Baronial envelope	111.125 x 146.05	4.375 x 5.75	315 x 414
6 Baronial envelope	120.65 x 165.1	4.75 x 6.5	342 x 468
Lee envelope	133.35 x 184.15	5.25 x 7.25	378 x 522

US Booklet envelope sizes

Paper size	mm	inches	points
10 Booklet envelope	241.3 x 320.675	9.5 x 12.625	684 x 909
13 Booklet envelope	254 x 330.2	10 x 13	720 x 936
3 Booklet envelope	120.65 x 165.1	4.75 x 6.5	342 x 468
4.5 Booklet envelope	139.7 x 190.5	5.5 x 7.5	396 x 540
6 Booklet envelope	146.05 x 225.425	5.75 x 8.875	414 x 639
6.5 Booklet envelope	152.4 x 228.6	6 x 9	432 x 648
6.625 Booklet envelope	152.4 x 241.3	6 x 9.5	432 x 684
6.75 Booklet envelope	165.1 x 241.3	6.5 x 9.5	468 x 684
7.25 Booklet envelope	177.8 x 254	7 x 10	504 x 720
7.5 Booklet envelope	190.5 x 266.7	7.5 x 10.5	540 x 756
9 Booklet envelope	222.25 x 292.1	8.75 x 11.5	630 x 828
9.5 Booklet envelope	228.6 x 304.8	9 x 12	648 x 864

US Catalog envelope sizes

Paper size	mm	inches	points
1 Catalog envelope	152.4 x 228.6	6 x 9	432 x 648
1.75 Catalog envelope	165.1 x 241.3	6.5 x 9.5	468 x 684
10.5 Catalog envelope	228.6 x 304.8	9 x 12	648 x 864
12.5 Catalog envelope	241.3 x 317.5	9.5 x 12.5	684 x 900
13.5 Catalog envelope	254 x 330.2	10 x 13	720 x 936
14.5 Catalog envelope	292.1 x 368.3	11.5 x 14.5	828 x 1044
15.5 Catalog envelope	304.8 x 393.7	12 x 15.5	864 x 1116
3 Catalog envelope	177.8 x 254	7 x 10	504 x 720
6 Catalog envelope	190.5 x 266.7	7.5 x 10.5	540 x 756
9.75 Catalog envelope	222.25 x 285.75	8.75 x 11.25	630 x 810

US Commercial/Official envelope sizes

Paper size	mm	inches	points
10 Official envelope	104.775 x 241.3	4.125 x 9.5	297 x 684
11 Official envelope	114.3 x 263.525	4.5 x 10.375	324 x 747
12 Official envelope	120.65 x 279.4	4.75 x 11	342 x 792
14 Official envelope	127 x 292.1	5 x 11.5	360 x 828
6.25 Commercial envelope	88.9 x 152.4	3.5 x 6	252 x 432
6.75 Commercial envelope	92.075 x 165.1	3.625 x 6.5	261 x 468
7 Official envelope	95.25 x 171.45	3.75 x 6.75	270 x 486
7.75 Official envelope	98.425 x 190.5	3.875 x 7.5	279 x 540
8.625 Official envelope	92.075 x 219.075	3.625 x 8.625	261 x 621
9 Official envelope	98.425 x 225.425	3.875 x 8.875	279 x 639

US Square envelope sizes

Paper size	mm	inches	points
6 Square envelope	152.4 x 152.4	6 x 6	432 x 432
6.5 Square envelope	165.1 x 165.1	6.5 x 6.5	468 x 468
7 Square envelope	177.8 x 177.8	7 x 7	504 x 504
7.5 Square envelope	190.5 x 190.5	7.5 x 7.5	540 x 540
8 Square envelope	203.2 x 203.2	8 x 8	576 x 576
8.5 Square envelope	215.9 x 215.9	8.5 x 8.5	612 x 612
9 Square envelope	228.6 x 228.6	9 x 9	648 x 648
9.5 Square envelope	241.3 x 241.3	9.5 x 9.5	684 x 684