THE TOOLDU JOURNAL

A clearer way to get things done.

Practical guides for the files you work with every day. Start with a task, understand the options and know what to check before you download.

Real workflows. Clear limits. A useful next step.

A little knowledge goes a long way.

71 published guides
PDF · EN

How to divide a two-page scan down the middle

Choose the PDF and inspect a spread. Decide whether the division should be vertical or horizontal before creating the result. Use Create result and check the sequence of new half-pages.

2 min read
Image · EN

How to change image dimensions and reduce its file size

Add the image and read the receiving form’s requirements. Note the allowed file type too; dimensions and byte size are not the only possible checks. Read the actual result size and dimensions. If it does not meet the requirement, revise the settings rather than judging the preview alone.

2 min read
Image · EN

How to colorize an old photo or make a grayscale copy

Choose a photo and use Colorize photo for a black-and-white source. Compare and adjust the result before preparing a download. For grayscale, use zero Color intensity with neutral Warmth and Tint.

2 min read
PDF · EN

How to copy a PDF into a plain text file

Open the PDF and choose the pages you need. If you cannot select any words in a normal PDF viewer, the source may be a scan. Download the text file and open it in a text editor that supports UTF-8.

2 min read
Audio · EN

How to reduce recording noise without overdoing it

Add a recording and listen to the original first. Notice whether the problem is a steady hiss, a low rumble or a 50/60 Hz electrical hum. Process the recording, compare original and result playback, then download the version that sounds clearer.

2 min read
Image · EN

How to put the front and back of a card into one PDF

Add the front and back pictures in the correct order. Use clear images with all card edges visible, and share them only with the intended recipient. Create the merged PDF and inspect both sides before downloading.

2 min read
PDF · EN

How to mix PDF pages in alternating order

Choose the source PDFs in Alternate & Mix PDF. Put the file that should supply the first page at the start of the file list. Use Create result and read the first few pages of the new PDF.

2 min read
PDF · EN

How to split a PDF when a phrase starts each section

Open the PDF and choose a phrase that identifies the section starts. Try copying the phrase from the PDF first to see whether the page has readable text. Create the results and check the boundaries against the original sections.

2 min read
Image · EN

How to increase an image file to a minimum KB size

Choose the picture and enter the minimum size in KB. Use the preset if it matches the requirement, and read whether the form accepts PNG. Download the copy and verify the receiving form’s other rules before uploading it.

2 min read