Free online PDF, image
and text tools
Merge PDFs, resize images and work with text — directly in your browser.
No signup. Your selected files stay on your device.
Smaller photo. Ready to upload.
Image Compressor · Reduce your photo to the size you need. Preview the result before downloading.
No signup · On your device · Free to use
Guide & FAQs · Sample photo by Kowshik Roy sagor / Unsplash
Remove a photo background and download a transparent PNG. Check fine edges before using the result.
More everyday tools
Work your way
Use your phone
Open a tool in your mobile browser and work with files already on your device.
Stay in your browser
No software installation is needed for these PDF tools. Select, process and download.
Keep control of files
Selected files are processed on your device. Keep your original and check the result.
Make the next document easier.
Combine files, keep the pages you need, or turn photos into a PDF.
Useful tools. Clear expectations.
Know what a tool can do before you begin. Our guides explain the steps and limitations, so you can choose with confidence.
18 practical tools
PDF, image and text tools, including Background Remover. Choose the tool that fits your task.
15 step-by-step guides
Practical examples, supported formats and limits to help you check your results.
No account needed
Open a tool and start with your own file. Keep your original and review the downloaded result.
Help shape ZapToolbox
Tell us which tool helped, what went wrong, or what you would like next. Real feedback helps us make the tools more useful. Please do not include private files in your message.
Helpful guides
Step-by-step PDF, image and text guides, with examples and clear limits.
Choose a target size, understand quality and resizing, and check your downloaded photo.
Understand word and character totals and their limits.
Choose dimensions, aspect ratio and output format.
Follow practical examples for everyday calculations.
Putting several PDFs into one file is useful for application packs, invoices and meeting notes.
You may need a short extract from a long report rather than the entire document.
Removing a blank scan, duplicated sheet or irrelevant appendix can make a PDF easier to send.
Scanned documents often mix upright pages with sideways tables or photographs.
A PDF can group several photographs or screenshots into one document.
A document can contain every correct page but still be difficult to read because the sequence is wrong.
Page numbers help people refer to a particular sheet in a collection of notes or supporting documents.
A watermark can identify a working copy as DRAFT or REVIEW COPY.
Cropping can reduce visible white borders around a document, but it has an important limitation: changing a PDF’s visible boundary does not securely erase content outside that boundary.
Exporting PDF pages as JPG images can help when a form accepts image uploads but refuses PDFs.
A PDF can contain real text, pictures of text, or both.