Use online encryption tools such as TinyPNG or compressjpeg

2, use professional image processing software such as Adobe Photoshop or GIMP;

3, select the appropriate image format, such as JPEG or PNG;

4, use lower quality settings when saving files.

How to compress PPT file size

Compress PPT file size can be achieved by adjusting image resolution and compression options, the specific steps are as follows

0 :

2 Open PPT software and targets
File find PPT software in the computer (such as PPT 2016 under the Win10 system), double-click on the start menu or desktop icon and start it. Click on the left open → this computer, find and open the PPT file to be compressed in the folder dialog box. enter the stored as an interface open the file, click on the file in the top red toolbar and enter the file tool interface. Select the left as stored as an additional, open the menu bar and then click on this computer and pop up stored as a dialog box. start the image compression functionrong> Click the tool in the lower right corner of the dialog box, select the compressed image option, pop up the compressed image dialog box. set the compressed image parameter

resolution adjustment: select the Web (150ppi) in the resolution option, this resolution is applicable to web display and projector playback, can significantly reduce the image volume.

remove the cutting area: select the deleted image cutting area in the compressed option, remove the redundant portion not shown in the image,
Additionally reduce file space.

Save the Compressed File After the parameter settings are completed, click the Save button. At this time the file volume is significantly reduced, such as the original file is compressed from 3.2M to 889K, and the content display effect is basically unaffected.
Note:
Keep the original file: Recommended backup of the original high resolution PPT before compression for subsequent modification or adjustment. Single-way compression restrictiong>:PPT file only supports compression from large volume to small volume, can not be restored to larger volume by the same operation.
PPT2013 slideshow to compress image size
PPT file is too large, the overall compression can be achieved through the professional compression tool "High-speed file compressor", the specific steps are as follows:
, tool preparation tool name: High-speed file compressor functional characteristics
0 : support PPT, images,
Video, PDF, Word five common file formats, mass compression, simple operating interface, high compression efficiency. download address: free download "High-speed File Compressor" tool software (needs to be obtained through the official channel).
2 , compression steps details
install and start the tool
download, follow the instructions to complete the installation and open the software. The left function bar displays the five file types supported, select PPT compression function to enter the operating interface.
0rong> import PPT file
click the file add button in the upper left corner and select the PPT file that needs to be compressed (supporting single file or multiple file batch imports).
If the number of files is large, it can be imported through the folder batch to improve efficiency.
Set the compression parameter
0
1 Compression method
2 : select the compression priority according to the needs (such as "clear priority" or "scale priority").
ng> output directory settings: click the folder icon below, specify the saving path for the file after compression to avoid confusion with the original file.
start the compression and view the result
right click the red start button, the software automatically executes the compression process.
after the compression is completed, the output folder automatically pops up, comparing the file size before and after compression, verifying the effect.
0 example results: after the compression of the original file 100MB PPT may drop to 20MB, the volume is significantly reduced.p> Third, effect verification and attention compression effect contrast : view the volume changes before and after the compression through the file property, while opening the PPT check the integrity of the content (such as the image, animation or not). batch processing advantages : support multi-file simultaneous compression, suitable for scenes that need to handle a large number of PPT (such as enterprise reports, teaching textbook arrangement). compatibility description : the PPT file after compression can still be edited normally, but excessive compression can cause image quality blur, according to
The actual needs balance volume and quality.
Fourth, alternative (no third-party tools)
If you do not want to install software, you can try the following:
PPT built-in compression function (for example with Office 2016 and later versions):
open PPT → click file → select Save as → click tool when browsing Save Path → select compressed image → set resolution (such as email 96ppi) → save file.
0
1
Limitation : Compress only the image part, ineffective for elements such as animation, video, and limited compression.
adjust image resolution:
hand-right-click the image in PPT → select size and location → reduce image size or resolution (such as from 300dpi to 150dpi).
disadvantage
0 : complicated operation, need to adjust one by one, and may affect visual effects.
1
2
3
: It is recommended to use the "High-speed File Compressor" to PPT overall efficient compression, taking into account the ease of operation and the compression effect. If the file size requirements are not high, you can try PPT built-in function or manually adjust the image parameters.
Compress the image size of the slide in PPT 2013, you can follow the following steps:
Open PPT and insert the image: Start PPT2013, build new or open the already existing slide, insert the image you want. After inserting, select the target image, the toolbar will display "Image Tool" select
Item. enter the compression image function: in the "Image Tools" menu, find the "Adjust" group and click the compression image button in it. set the compression range: in the pop-up compression setting window, the compression applies only to this image. This option ensures that only the current selected images are compressed and avoid affecting the other image quality. confirms the compression and saves: select the compression parameters as required (such as resolution, delete the cutting area, etc.), click the button to make sure the compression is complete.
The PT file size will be significantly reduced.
Note:
Compression operation is irreversible, so it is recommended to back up the original PPT file in advance. For mass compression, you can cancel the application only to this image in the compression window, select all images in the document, but pay attention may affect the overall image quality. After compression, you can select the size and location of the image with the right key, see the image size and file size changes after compression.