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Many sets of mini-blinds sold in retail stores are manufactured to fit standard sized windows. While the price for these types of blinds is used very reasonable, a significant amount of additional length can make the blinds look like a poor fit for the window. Fortunately, it is possible to shorten mini-blinds with relatively little effort.

Part 1
Part 1 of 2:

Shortening the Blinds

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  1. How.com.vn English: Step 1 Measure the height of the window.
    You need this to determine the exact length that you need for the mini-blinds. Start with the inside top of the casing where the blinds will be mounted, and measure all the way to the windowsill below.
  2. How.com.vn English: Step 2 Place the mini-blinds on a flat surface and expand to the full length.
    Measure from the top of the blind casing to the blind slat that most closely corresponds with the window measurements. Move downward 1 additional slat to allow a little room for error. Mark the first slat to be removed with a marker or pen.
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  3. How.com.vn English: Step 3 Remove the rail plugs.
    Mini-blinds are equipped with plastic plugs on the underside of the bottom rail. Most designs will feature 3 plugs along the length of the rail. Releasing the plugs allows access to the lift cord and the 3 string ladders on the mini-blinds.[1]
    • You can usually just pull out the plugs without having to do anything fancy.
  4. How.com.vn English: Step 4 Untie the knot on the lift cords and pull upward.
    This action will slide the lift cords through the holes in the bottom rail and the slats immediately above the rail. Continue to pull the cords upward until the marked slat is freed from the cords.[2]
  5. How.com.vn English: Step 5 Slide the bottom rail out of the string ladders.
    This will provide you with better access to the blind slats.[3]
  6. How.com.vn English: Step 6 Remove the desired number of slats.
    With the lift cords no longer threaded through the slats, this requires sliding each of the slats out of the 3 string ladders.[4]
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Part 2
Part 2 of 2:

Finishing Up

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  1. How.com.vn English: Step 1 Reattach the bottom rail.
    Slide the rail back into the string ladders just under the remaining blind slats. Trim off any unused sections of the ladders that you no longer need.[5]
  2. How.com.vn English: Step 2 Reconnect the lift cords.
    Tie a new knot in each of the 3 ends. Use the measuring tape to make sure the knots are in the ideal position so the cords are all the same lengths, and the slats will hang evenly.
  3. How.com.vn English: Step 3 Replace the rail plugs.
    Make sure that all 3 are securely in position, and then hang the adjusted mini-blind in the window. Take a moment to try raising and lowering the blinds, as well as opening and closing them to make sure they are functioning properly.
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Community Q&A

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  • Question
    Is it possible to shorten a cordless vinyl mini blind?
    How.com.vn English: Community Answer
    Community Answer
    No. They are pre-tensioned, or designed to work with the weight they start with. Removing anything would cause the blind to raise on its own, and no longer be a blind.
  • Question
    I cut the cord to raise and lower, and it went into the mechanism in the top. How can I get the cord?
    How.com.vn English: Community Answer
    Community Answer
    You'll have to take apart the top, a very tedious and time-consuming task. You might want to consider just buying another.
  • Question
    How do I shorten vinyl mini-blinds, the roll-up type?
    How.com.vn English: Community Answer
    Community Answer
    No. They are pre-tensioned, or designed to work with the weight they start with. Removing anything would cause the blind to raise on its own and no longer be a blind.
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      Video

      Tips

      • If the rail plugs are difficult to reinsert, use a rubber mallet to gently pound them back into position. The softer head on the mallet will prevent the possibility of denting or otherwise damaging the plugs.
      • While it is possible to shorten mini-blinds while they are hanging in a window, simply eye-balling the length, laying the blinds on a flat surface makes it easier to apply exact measurements and is often a much quicker process.
      • Save the removed blind slats in a safe place. You can always use them to replace any slats that are damaged over the years.
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      Warnings

      • Make sure that you don't lose the plugs while you're working, otherwise you won't be able to close up the bottom rail.
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      Things You'll Need

      • Scissors
      • Tape Measure

      About This Article

      How.com.vn is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. To create this article, 16 people, some anonymous, worked to edit and improve it over time. This article has been viewed 170,168 times.
      75 votes - 80%
      Co-authors: 16
      Updated: March 19, 2024
      Views: 170,168
      Categories: Window Blinds
      Article SummaryX

      To shorten your mini-blinds, start by placing them on a flat surface and expanding them to the full length. Next, remove the rail plugs, untie the knot on the lift cords, and pull upward to release as many slats as you like. Then, reattach the bottom rail into the string ladders just under the remaining slats and trim off any unused sections of the ladders. Additionally, tie a new knot in each of the ends of the lift cords. Finally, replace the rail plugs before hanging the adjusted mini-blinds. To learn how to measure the height of the window the mini-blinds will hang in, keep reading!

      Did this summary help you?

      Thanks to all authors for creating a page that has been read 170,168 times.

      Reader Success Stories

      • How.com.vn English: Belle Scharf

        Belle Scharf

        Jun 1, 2017

        "My friend needs to replace the mini blinds in her trailer. We need to be able to remove excess length while at..." more
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