# pdfScale 2 Bash Script to ***scale*** and/or ***resize*** PDFs from the command line. Uses ghostscript (`gs`) to create a scaled and/or resized version of the pdf input. In `scaling mode`, the PDF paper size does not change, just the elements are scaled. In `resize mode`, the PDF paper will be changed and fit-to-page will be applied. In `mixed mode`, the PDF will first be `resized` then `scaled` with two Ghostscript calls. A temporary file is used in `mixed mode`, at the target location. ---------------------------------------------- #### If you want to support this project, you can do it here :coffee: [![paypal](https://www.paypalobjects.com/en_US/i/btn/btn_donateCC_LG.gif)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=HP344TKTWXFXE&source=url) ---------------------------------------------- ## Example Runs Better than explaining is showing it: #### Checking File Information ``` $ ./pdfScale.sh -i ../input-nup.pdf pdfScale.sh v2.3.7 - Paper Sizes ------------+----------------------------- File | input-nup.pdf Paper Type | A4 Landscape ------------+----------------------------- | WIDTH x HEIGHT Points | 842 x 595 Milimeters | 297 x 210 Inches | 11.7 x 8.3 ``` #### Scale by 0.95 (-5%) This also shows a very special case of a PDF file that has no `/MediaBox` defined. It is a dumb container of n-up binary PDF pages. `Ggrep` fails, then `PDFInfo` fails (not installed), then ImageMagick does the job. This was on CygWin64 `@` Windows10 x64, MacOS would try `mdls` as well. ``` $ pdfscale -v ../input-nup.pdf pdfscale v2.4.0 - Verbose Execution Single Task: Scale PDF Contents Dry-Run: FALSE Input File: ../input-nup.pdf Output File: ../input-nup.SCALED.pdf Get Page Size: Adaptive Enabled Method: Grep Failed Method: PDFInfo Failed Method: ImageMagick's Identify Source Width: 842 postscript-points Source Height: 595 postscript-points Scale Factor: 0.95 (auto) Vert-Align: CENTER Hor-Align: CENTER Translation X: 22.16 = 22.16 + 0.00 (offset) Translation Y: 15.66 = 15.66 + 0.00 (offset) Run Scaling: -5 % Background: No background (default) Final Status: File created successfully ``` #### Resize to A0 and Scale by 1.05 (+5%) ``` $ pdfscale -v -r a0 -s 1.05 ../mixsync\ manual\ v1-2-3.pdf pdfscale v2.4.0 - Verbose Execution Mixed Tasks: Resize & Scale Dry-Run: FALSE Input File: ../mixsync manual v1-2-3.pdf Output File: ../mixsync manual v1-2-3.A0.SCALED.pdf Get Page Size: Adaptive Enabled Method: Grep Source Width: 842 postscript-points Source Height: 595 postscript-points Auto Rotate: PageByPage Flip Detect: Wrong orientation detected! Inverting Width <-> Height Run Resizing: A0 ( 3370 x 2384 ) pts New Width: 3370 postscript-points New Height: 2384 postscript-points Scale Factor: 1.05 Vert-Align: CENTER Hor-Align: CENTER Translation X: -80.24 = -80.24 + 0.00 (offset) Translation Y: -56.76 = -56.76 + 0.00 (offset) Run Scaling: 5 % Background: No background (default) Final Status: File created successfully ``` #### Resize to A2 and disables Auto-Rotation ``` $ pdfscale -v -r A2 -a none ../input.pdf pdfscale v2.4.0 - Verbose Execution Single Task: Resize PDF Paper Dry-Run: FALSE Input File: ../input.pdf Output File: ../input.A2.pdf Get Page Size: Adaptive Enabled Method: Grep Source Width: 595 postscript-points Source Height: 842 postscript-points Scale Factor: Disabled (resize only) Auto Rotate: None Flip Detect: No change needed Run Resizing: A2 ( 1191 x 1684 ) pts Final Status: File created successfully ``` #### Resize to custom 200x300 mm, disable Flip-Detection and Scale by 0.95 (-5%) ``` $ pdfscale -v -v -r 'custom mm 200 300' -f disable -s 0.95 ../mixsync\ manual\ v1-2-3.pdf 2018-08-09:04:56:39 | pdfscale v2.4.0 - Verbose Execution 2018-08-09:04:56:39 | Mixed Tasks: Resize & Scale 2018-08-09:04:56:39 | Dry-Run: FALSE 2018-08-09:04:56:39 | Input File: ../mixsync manual v1-2-3.pdf 2018-08-09:04:56:39 | Output File: ../mixsync manual v1-2-3.CUSTOM.SCALED.pdf 2018-08-09:04:56:39 | Get Page Size: Adaptive Enabled 2018-08-09:04:56:39 | Method: Grep 2018-08-09:04:56:39 | Source Width: 842 postscript-points 2018-08-09:04:56:39 | Source Height: 595 postscript-points 2018-08-09:04:56:40 | Auto Rotate: PageByPage 2018-08-09:04:56:40 | Flip Detect: Disabled 2018-08-09:04:56:40 | Run Resizing: CUSTOM ( 567 x 850 ) pts 2018-08-09:04:56:40 | New Width: 567 postscript-points 2018-08-09:04:56:40 | New Height: 850 postscript-points 2018-08-09:04:56:40 | Scale Factor: 0.95 2018-08-09:04:56:40 | Vert-Align: CENTER 2018-08-09:04:56:40 | Hor-Align: CENTER 2018-08-09:04:56:40 | Translation X: 14.92 = 14.92 + 0.00 (offset) 2018-08-09:04:56:40 | Translation Y: 22.37 = 22.37 + 0.00 (offset) 2018-08-09:04:56:40 | Run Scaling: -5 % 2018-08-09:04:56:40 | Background: No background (default) 2018-08-09:04:56:40 | Final Status: File created successfully ``` ## Help info ``` $ pdfscale -h pdfscale v2.4.3 Usage: pdfscale pdfscale -i pdfscale [-v] [-s ] [-m ] [outfile.pdf] pdfscale [-v] [-r ] [-f ] [-a ] [outfile.pdf] pdfscale -p pdfscale -h pdfscale -V Parameters: -v, --verbose Verbose mode, prints extra information Use twice for timestamp -h, --help Print this help to screen and exits -V, --version Prints version to screen and exits --install, --self-install [target-path] Install itself to [target-path] or /usr/local/bin/pdfscale if not specified Should contain the full path with the desired executable name --upgrade, --self-upgrade Upgrades itself in-place (same path/name of the pdfScale.sh caller) Downloads the master branch tarball and tries to self-upgrade --insecure, --no-check-certificate Use curl/wget without SSL library support --yes, --assume-yes Will answer yes to any prompt on install or upgrade, use with care -n, --no-overwrite Aborts execution if the output PDF file already exists By default, the output file will be overwritten -m, --mode Paper size detection mode Modes: a, adaptive Default mode, tries all the methods below g, grep Forces the use of Grep method m, mdls Forces the use of MacOS Quartz mdls p, pdfinfo Forces the use of PDFInfo i, identify Forces the use of ImageMagick's Identify -i, --info Prints Paper Size information to screen and exits -s, --scale Changes the scaling factor or forces mixed mode Defaults: 0.95 (scale mode) / Disabled (resize mode) MUST be a number bigger than zero Eg. -s 0.8 for 80% of the original size -r, --resize Triggers the Resize Paper Mode, disables auto-scaling of 0.95 Resize PDF and fit-to-page can be: source, custom or a valid std paper name, read below -f, --flip-detect Flip Detection Mode, defaults to 'auto' Inverts Width <-> Height of a Resized PDF Modes: a, auto Keeps source orientation, default f, force Forces flip W <-> H d, disable Disables flipping -a, --auto-rotate Setting for GS -dAutoRotatePages, defaults to 'PageByPage' Uses text-orientation detection to set Portrait/Landscape Modes: p, pagebypage Auto-rotates pages individually n, none Retains orientation of each page a, all Rotates all pages (or none) depending on a kind of "majority decision" --fit-page Use of GS option dPDFFitPage, used by default This option is only valid in resize mode Modes: f, fit Fit page n, no Do not fit page --hor-align, --horizontal-alignment Where to translate the scaled page Default: center Options: left, right, center --vert-align, --vertical-alignment Where to translate the scaled page Default: center Options: top, bottom, center --xoffset, --xtrans-offset Add/Subtract from the X translation (move left-right) Default: 0.0 (zero) Options: Positive or negative floating point number --yoffset, --ytrans-offset Add/Subtract from the Y translation (move top-bottom) Default: 0.0 (zero) Options: Positive or negative floating point number --pdf-settings Ghostscript PDF Profile to use in -dPDFSETTINGS Default: printer Options: screen, ebook, printer, prepress, default --image-downsample Ghostscript Image Downsample Method Default: bicubic Options: subsample, average, bicubic --image-resolution Resolution in DPI of color and grayscale images in output Default: 300 --background-gray Creates a background with a gray color setting on PDF scaling Percentage is a floating point percentage number between 0(black) and 1(white) --background-cmyk <"C M Y K"> Creates a background with a CMYK color setting on PDF scaling Must be quoted into a single parameter as in "0.2 0.2 0.2 0.2" Each color parameter is a floating point percentage number (between 0 and 1) --background-rgb <"R G B"> Creates a background with a RGB color setting on PDF scaling Must be quoted into a single parameter as in "100 100 200" RGB numbers are integers between 0 and 255 (255 122 50) --dry-run, --simulate Just simulate execution. Will not run ghostscript --print-gs-call, --gs-call Print GS call to stdout. Will print at the very end between markers -p, --print-papers Prints Standard Paper info tables to screen and exits Scaling Mode: - The default mode of operation is scaling mode with fixed paper size and scaling pre-set to 0.95 - By not using the resize mode you are using scaling mode - Flip-Detection and Auto-Rotation are disabled in Scaling mode, you can use '-r source -s ' to override. - Ghostscript placement is from bottom-left position. This means that a bottom-left placement has ZERO for both X and Y translations. Resize Paper Mode: - Disables the default scaling factor! (0.95) - Changes the PDF Paper Size in points. Will fit-to-page Mixed Mode: - In mixed mode both the -s option and -r option must be specified - The PDF will be first resized then scaled Output filename: - Having the extension .pdf on the output file name is optional, it will be added if not present. - The output filename is optional. If no file name is passed the output file will have the same name/destination of the input file with added suffixes: .SCALED.pdf is added to scaled files ..pdf is added to resized files ..SCALED.pdf is added in mixed mode Standard Paper Names: (case-insensitive) A0 A1 A2 A3 A4 A4SMALL A5 A6 A7 A8 A9 A10 ISOB0 ISOB1 ISOB2 ISOB3 ISOB4 ISOB5 ISOB6 C0 C1 C2 C3 C4 C5 C6 11X17 LEDGER LEGAL LETTER LETTERSMALL ARCHE ARCHD ARCHC ARCHB ARCHA JISB0 JISB1 JISB2 JISB3 JISB4 JISB5 JISB6 FLSA FLSE HALFLETTER HAGAKI Custom Paper Size: - Paper size can be set manually in Milimeters, Inches or Points - Custom paper definition MUST be quoted into a single parameter - Actual size is applied in points (mms and inches are transformed) - Measurements: mm, mms, milimeters pt, pts, points in, inch, inches Use: pdfscale -r 'custom ' Ex: pdfscale -r 'custom mm 300 300' Using Source Paper Size: (no-resizing) - Wildcard 'source' is used used to keep paper size the same as the input - Usefull to run Auto-Rotation without resizing - Eg. pdfscale -r source ./input.pdf Backgrounding: (paint a background) - Backgrounding only happens when scaling - Use a scale of 1.0 to force mixed mode and add background while resizing Options and Parameters Parsing: - From v2.1.0 (long-opts) there is no need to pass file names at the end - Anything that is not a short-option is case-insensitive - Short-options: case-sensitive Eg. -v for Verbose, -V for Version - Long-options: case-insensitive Eg. --SCALE and --scale are the same - Subparameters: case-insensitive Eg. -m PdFinFo is valid - Grouping short-options is not supported Eg. -vv, or -vs 0.9 Additional Notes: - File and folder names with spaces should be quoted or escaped - Using a scale bigger than 1.0 may result on cropping parts of the PDF - For detailed paper types information, use: pdfscale -p Examples: pdfscale myPdfFile.pdf pdfscale -i '/home/My Folder/My PDF File.pdf' pdfscale myPdfFile.pdf "My Scaled Pdf" pdfscale -v -v myPdfFile.pdf pdfscale -s 0.85 myPdfFile.pdf My\ Scaled\ Pdf.pdf pdfscale -m pdfinfo -s 0.80 -v myPdfFile.pdf pdfscale -v -v -m i -s 0.7 myPdfFile.pdf pdfscale -r A4 myPdfFile.pdf pdfscale -v -v -r "custom mm 252 356" -s 0.9 -f "../input file.pdf" "../my new pdf" ``` ## Standard Paper Tables The `-p` parameter prints detailed paper types information ``` $ pdfscale -p pdfscale v2.3.7 Paper Sizes Information +-----------------------------------------------------------------+ | ISO STANDARD | +-----------------------------------------------------------------+ | Name | inchW | inchH | mm W | mm H | pts W | pts H | +-----------------+-------+-------+-------+-------+-------+-------+ | a0 | 33.1 | 46.8 | 841 | 1189 | 2384 | 3370 | | a1 | 23.4 | 33.1 | 594 | 841 | 1684 | 2384 | | a2 | 16.5 | 23.4 | 420 | 594 | 1191 | 1684 | | a3 | 11.7 | 16.5 | 297 | 420 | 842 | 1191 | | a4 | 8.3 | 11.7 | 210 | 297 | 595 | 842 | | a4small | 8.3 | 11.7 | 210 | 297 | 595 | 842 | | a5 | 5.8 | 8.3 | 148 | 210 | 420 | 595 | | a6 | 4.1 | 5.8 | 105 | 148 | 297 | 420 | | a7 | 2.9 | 4.1 | 74 | 105 | 210 | 297 | | a8 | 2.1 | 2.9 | 52 | 74 | 148 | 210 | | a9 | 1.5 | 2.1 | 37 | 52 | 105 | 148 | | a10 | 1.0 | 1.5 | 26 | 37 | 73 | 105 | | isob0 | 39.4 | 55.7 | 1000 | 1414 | 2835 | 4008 | | isob1 | 27.8 | 39.4 | 707 | 1000 | 2004 | 2835 | | isob2 | 19.7 | 27.8 | 500 | 707 | 1417 | 2004 | | isob3 | 13.9 | 19.7 | 353 | 500 | 1001 | 1417 | | isob4 | 9.8 | 13.9 | 250 | 353 | 709 | 1001 | | isob5 | 6.9 | 9.8 | 176 | 250 | 499 | 709 | | isob6 | 4.9 | 6.9 | 125 | 176 | 354 | 499 | | c0 | 36.1 | 51.1 | 917 | 1297 | 2599 | 3677 | | c1 | 25.5 | 36.1 | 648 | 917 | 1837 | 2599 | | c2 | 18.0 | 25.5 | 458 | 648 | 1298 | 1837 | | c3 | 12.8 | 18.0 | 324 | 458 | 918 | 1298 | | c4 | 9.0 | 12.8 | 229 | 324 | 649 | 918 | | c5 | 6.4 | 9.0 | 162 | 229 | 459 | 649 | | c6 | 4.5 | 6.4 | 114 | 162 | 323 | 459 | +-----------------+-------+-------+-------+-------+-------+-------+ +-----------------------------------------------------------------+ | US STANDARD | +-----------------------------------------------------------------+ | Name | inchW | inchH | mm W | mm H | pts W | pts H | +-----------------+-------+-------+-------+-------+-------+-------+ | 11x17 | 11.0 | 17.0 | 279 | 432 | 792 | 1224 | | ledger | 17.0 | 11.0 | 432 | 279 | 1224 | 792 | | legal | 8.5 | 14.0 | 216 | 356 | 612 | 1008 | | letter | 8.5 | 11.0 | 216 | 279 | 612 | 792 | | lettersmall | 8.5 | 11.0 | 216 | 279 | 612 | 792 | | archE | 36.0 | 48.0 | 914 | 1219 | 2592 | 3456 | | archD | 24.0 | 36.0 | 610 | 914 | 1728 | 2592 | | archC | 18.0 | 24.0 | 457 | 610 | 1296 | 1728 | | archB | 12.0 | 18.0 | 305 | 457 | 864 | 1296 | | archA | 9.0 | 12.0 | 229 | 305 | 648 | 864 | +-----------------+-------+-------+-------+-------+-------+-------+ +-----------------------------------------------------------------+ | JIS STANDARD *Aproximated Points | +-----------------------------------------------------------------+ | Name | inchW | inchH | mm W | mm H | pts W | pts H | +-----------------+-------+-------+-------+-------+-------+-------+ | jisb0 | NA | NA | 1030 | 1456 | 2920 | 4127 | | jisb1 | NA | NA | 728 | 1030 | 2064 | 2920 | | jisb2 | NA | NA | 515 | 728 | 1460 | 2064 | | jisb3 | NA | NA | 364 | 515 | 1032 | 1460 | | jisb4 | NA | NA | 257 | 364 | 729 | 1032 | | jisb5 | NA | NA | 182 | 257 | 516 | 729 | | jisb6 | NA | NA | 128 | 182 | 363 | 516 | +-----------------+-------+-------+-------+-------+-------+-------+ +-----------------------------------------------------------------+ | OTHERS | +-----------------------------------------------------------------+ | Name | inchW | inchH | mm W | mm H | pts W | pts H | +-----------------+-------+-------+-------+-------+-------+-------+ | flsa | 8.5 | 13.0 | 216 | 330 | 612 | 936 | | flse | 8.5 | 13.0 | 216 | 330 | 612 | 936 | | halfletter | 5.5 | 8.5 | 140 | 216 | 396 | 612 | | hagaki | 3.9 | 5.8 | 100 | 148 | 283 | 420 | +-----------------+-------+-------+-------+-------+-------+-------+ ``` ## Dependencies The script uses `basename`, `grep`, `bc` and `gs` (ghostscript). You probably have everything installed already, except for ghostscript. Optional dependencies are `imagemagick`, `pdfinfo` and `mdls` (Mac). This app is focused in `Bash`, so it will probably not run in other shells. The script will need to see the dependencies on your `$PATH` variable. ##### apt-get ``` sudo apt-get install ghostscript bc ``` ##### yum ``` sudo yum install ghostscript bc ``` ##### homebrew MacOS ``` brew install ghostscript ``` ##### Optionals Page Size detection is by default in Adaptive Mode. It will try the following methods in sequence: 1. Try to get `/MediaBox` with `grep` (fastest) 2. Failed AND MacOS ? Try `mdls` 3. Failed ? Try `pdfinfo` 4. Failed ? Try ImageMagick's `identify` 5. Failed ? `Exit` with error message The `grep` method will fail on PDFs without a `/MediaBox`. You may install any of the optionals to be used in that case. MacOS is fine using `mdls` if the metadata of the file is accurate. The metadata is generated automatically by the OS (Spotlight) ##### apt-get ``` sudo apt-get install imagemagick pdfinfo ``` ##### yum ``` sudo yum install imagemagick pdfinfo ``` ##### homebrew MacOS ``` brew install imagemagick xpdf ``` ## Clone using git ``` git clone https://github.com/tavinus/pdfScale.git cd ./pdfScale ./pdfScale.sh --version ``` ## Self-Install Since `v2.3.0` *pdfScale* can install itself using the parameter `--install`. By default it will install to `/usr/local/bin/pdfscale` ``` ./pdfScale.sh --install ``` A custom location can be specified as a parameter. Should contain full path to executable file. ``` ./pdfScale.sh --install /opt/pdfscale/pdfscale ``` ## Run installer using `curl` or `wget` #### wget oneliners ```bash # Normal install with prompts wget -q -O /tmp/pdfScale.sh 'https://raw.githubusercontent.com/tavinus/pdfScale/master/pdfScale.sh' && bash /tmp/pdfScale.sh --install # Automated install with --assume-yes wget -q -O /tmp/pdfScale.sh 'https://raw.githubusercontent.com/tavinus/pdfScale/master/pdfScale.sh' && bash /tmp/pdfScale.sh --install --assume-yes # To ignore SSL, use --no-check-certificate wget --no-check-certificate -q -O /tmp/pdfScale.sh 'https://raw.githubusercontent.com/tavinus/pdfScale/master/pdfScale.sh' && bash /tmp/pdfScale.sh --install ``` #### curl oneliners ```bash # Normal install with prompts curl -s -o /tmp/pdfScale.sh 'https://raw.githubusercontent.com/tavinus/pdfScale/master/pdfScale.sh' && bash /tmp/pdfScale.sh --install # Automated install with --assume-yes curl -s -o /tmp/pdfScale.sh 'https://raw.githubusercontent.com/tavinus/pdfScale/master/pdfScale.sh' && bash /tmp/pdfScale.sh --install --assume-yes # To ignore SSL, use --insecure curl --insecure -s -o /tmp/pdfScale.sh 'https://raw.githubusercontent.com/tavinus/pdfScale/master/pdfScale.sh' && bash /tmp/pdfScale.sh --install ``` #### Remove /tmp/pdfScale.sh after done ```bash rm /tmp/pdfScale.sh ``` ## Install with `make` The `make` installer will name the executable as `pdfscale` with no uppercase chars and without the `.sh` extension. If you have `make` installed you can use it to install to `/usr/local/bin/pdfscale` with: ``` sudo make install ``` To remove the installation use: ``` sudo make uninstall ``` ## Self-Upgrade Since `v2.3.0` *pdfScale* can upgrade itself using the parameter `--upgrade`. It will try to get the master branch and update itself in-place. ``` pdfscale --upgrade ``` More info on the [Self-Upgrade Wiki](https://github.com/tavinus/pdfScale/wiki/Self-Upgrade) --- # Links #### [ma.juii.net - The History](https://ma.juii.net/blog/scale-page-content-of-pdf-files) #### [SO - Scale pdf to add border for printing full size pages](https://stackoverflow.com/questions/18343813/scale-pdf-to-add-border-for-printing-full-size-pages/) #### [MichaelJCole original gist - pdfScale.sh](https://gist.github.com/MichaelJCole/86e4968dbfc13256228a)