Drop the drill files
Drop one or more Excellon files, or the whole Gerber ZIP to see the holes on the board.
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Excellon Drill File ViewerEvery hole, counted and placed.
Open .drl, .xln, .txt or .drd drill files, alone or with the Gerbers, and see each hole and slot where it lands.
The drill table lists every size with plated and non-plated counts.
Drill tableSlots & routesNo upload
No sign-up No upload No install
Drop your Gerber ZIP or files
A ZIP, a folder, or Gerber and drill files from any PCB tool.
Gerber RS-274X / X2 / X3 and Excellon drill. ODB++ and IPC-2581 aren't supported. Your files are read in your browser and never uploaded.Have a DXF drawing? Open it in the DXF viewer
THREE SIMPLE STEPS
How to use the Excellon Drill Viewer
Read the drill table
Sizes, hole and slot counts, and which are plated, in millimetres or inches.
Check the positions
Holes outside the board or across its edge are flagged; click to jump to them and measure between centres.
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Excellon Drill Viewer FAQ
Which drill formats are supported?
Excellon in metric or inch, with leading or trailing zeros or decimal points, G85 slots, routed slots and repeats, as written by KiCad, Altium, Eagle, EasyEDA, DipTrace and others.
How does it know plated from non-plated?
From X2 attributes in the file, KiCad's TYPE comments, Altium's tool comments, or file names with PTH and NPTH. Otherwise the size shows as not marked.
Can I see the holes on the board?
Yes. Drop the drill files together with the Gerbers and the holes are drilled through the realistic top and bottom view; on their own they show in the layer view.
Is it free and private?
Yes. No account, and the files never leave your browser.
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Excellon Drill File Viewer
Drill table · Slots & routes · No upload