https://pdfruler.com/blog/ Guides on measuring PDFs online, PDF page sizes, units and print prep. en https://pdfruler.com/blog/add-arrows-to-a-pdf-online-free/https://pdfruler.com/blog/add-arrows-to-a-pdf-online-free/Wed, 07 Oct 2026 12:00:00 GMTDraw arrows on any PDF page to point at a detail, choose thickness and color, and save a copy. Free, in your browser, and the file never leaves your device. https://pdfruler.com/blog/add-text-to-a-pdf-online-free/https://pdfruler.com/blog/add-text-to-a-pdf-online-free/Tue, 06 Oct 2026 12:00:00 GMTType text anywhere on a PDF, choose its size and color, drag it into place and save a copy. Free, in your browser, and the file never leaves your device. https://pdfruler.com/blog/measure-one-box-in-a-pdf-with-one-click/https://pdfruler.com/blog/measure-one-box-in-a-pdf-with-one-click/Mon, 05 Oct 2026 12:00:00 GMTMeasure a single rectangle, image or line in a PDF by hovering and clicking it. PdfRuler Pick reads the exact vector size, so you get 61 x 91 mm, not a pixel guess. https://pdfruler.com/blog/pdf-ruler-online-free/https://pdfruler.com/blog/pdf-ruler-online-free/Sun, 04 Oct 2026 12:00:00 GMTA PDF ruler online puts real mm, cm and inch rulers on any PDF. See what a PDF ruler is, how to use one for free in your browser, and why zoom never changes the result. https://pdfruler.com/blog/undo-redo-and-history-when-measuring-a-pdf/https://pdfruler.com/blog/undo-redo-and-history-when-measuring-a-pdf/Sat, 03 Oct 2026 12:00:00 GMTTake back a wrong point, redo it, or jump to any earlier step with the history list. Undo and redo points, lines and guides in PdfRuler. Nothing is stored or uploaded. https://pdfruler.com/blog/jump-to-any-page-in-a-long-pdf/https://pdfruler.com/blog/jump-to-any-page-in-a-long-pdf/Fri, 02 Oct 2026 12:00:00 GMTGo straight to page 10 of a 600-page PDF by typing the page number, or jump to the first or last page with one click. Measure any page in PdfRuler. https://pdfruler.com/blog/save-a-pdf-with-your-measurements/https://pdfruler.com/blog/save-a-pdf-with-your-measurements/Thu, 01 Oct 2026 12:00:00 GMTSave a copy of your PDF with the measured points, distance lines and ruler guides drawn on it. Free, runs in your browser, nothing is uploaded. https://pdfruler.com/blog/pdfruler-keyboard-shortcuts-and-mouse-tricks/https://pdfruler.com/blog/pdfruler-keyboard-shortcuts-and-mouse-tricks/Wed, 30 Sep 2026 12:00:00 GMTEvery shortcut in PdfRuler: O, S, A, E, Shift, Alt, Backspace, Ctrl + Z, Esc, Ctrl + scroll and right-click. Measure faster with this one-page cheat sheet. https://pdfruler.com/blog/pdf-print-ready-checklist-measure-before-you-send/https://pdfruler.com/blog/pdf-print-ready-checklist-measure-before-you-send/Tue, 29 Sep 2026 12:00:00 GMTAn 8-point checklist to check a PDF before sending it to print: page size, orientation, bleed, safe zone, margins, crop marks, key distances and a marked-up proof. https://pdfruler.com/blog/measure-all-boxes-in-a-pdf-automatically/https://pdfruler.com/blog/measure-all-boxes-in-a-pdf-automatically/Mon, 28 Sep 2026 12:00:00 GMTAuto-measure finds every rectangle and image on a PDF page and labels its width and height in mm, cm, inches or points. One click, exact vector sizes, nothing uploaded. https://pdfruler.com/blog/magnifier-loupe-to-place-points-precisely-on-a-pdf/https://pdfruler.com/blog/magnifier-loupe-to-place-points-precisely-on-a-pdf/Sun, 27 Sep 2026 12:00:00 GMTTurn on the loupe to get a 4x magnifier beside the cursor, so you can place measurement points on a PDF exactly without zooming the whole page. https://pdfruler.com/blog/see-media-crop-bleed-and-trim-boxes-in-a-pdf/https://pdfruler.com/blog/see-media-crop-bleed-and-trim-boxes-in-a-pdf/Sat, 26 Sep 2026 12:00:00 GMTShow the MediaBox, CropBox, BleedBox, TrimBox and ArtBox of any PDF page with their sizes in mm, to check bleed and trim before you send a file to print. https://pdfruler.com/blog/check-vector-pdf-dimensions-for-laser-cutting-and-cnc/https://pdfruler.com/blog/check-vector-pdf-dimensions-for-laser-cutting-and-cnc/Fri, 25 Sep 2026 12:00:00 GMTBefore sending a vector PDF to a laser cutter or CNC, check its real size in mm, the size of each shape and the distance between features. A quick pre-flight in the browser. https://pdfruler.com/blog/pdf-prints-smaller-than-100-percent-print-at-actual-size/https://pdfruler.com/blog/pdf-prints-smaller-than-100-percent-print-at-actual-size/Thu, 24 Sep 2026 12:00:00 GMTWhy a PDF prints smaller than it measures, how to print at actual size, and a free 100 mm test sheet that shows whether your printer or the PDF is wrong. https://pdfruler.com/blog/check-sewing-pattern-pdf-scale-before-cutting-fabric/https://pdfruler.com/blog/check-sewing-pattern-pdf-scale-before-cutting-fabric/Wed, 23 Sep 2026 12:00:00 GMTPrint-at-home sewing patterns must print at exactly 100%. Check the test square, measure the pattern PDF in mm or inches, and fix a wrong scale before cutting. https://pdfruler.com/blog/measure-a-floor-plan-or-technical-drawing-pdf-with-scale/https://pdfruler.com/blog/measure-a-floor-plan-or-technical-drawing-pdf-with-scale/Tue, 22 Sep 2026 12:00:00 GMTRead real-world dimensions from a scaled PDF drawing: measure on the page in mm and multiply by the scale (1:50, 1:100, 1:200). Worked examples and a scale table. https://pdfruler.com/blog/check-a-large-format-poster-pdf-a0-a1-a2-before-printing/https://pdfruler.com/blog/check-a-large-format-poster-pdf-a0-a1-a2-before-printing/Fri, 18 Sep 2026 12:00:00 GMTLarge posters are costly to misprint. Check page size, scale, margins and bleed on A0, A1, A2 and custom poster PDFs, and why 100% actual size matters. https://pdfruler.com/blog/measure-label-and-sticker-pdfs-before-printing/https://pdfruler.com/blog/measure-label-and-sticker-pdfs-before-printing/Tue, 15 Sep 2026 12:00:00 GMTCheck label and sticker sheets: label width and height, gutters, margins, corner radius spacing, and alignment, with a free online PDF ruler and grid overlay. https://pdfruler.com/blog/envelope-sizes-dl-c4-c5-c6-in-mm-and-inches-for-pdf-templates/https://pdfruler.com/blog/envelope-sizes-dl-c4-c5-c6-in-mm-and-inches-for-pdf-templates/Fri, 11 Sep 2026 12:00:00 GMTStandard envelope sizes DL, C4, C5, C6 and C65 in mm and inches, which paper folds into each, and how to check a PDF envelope template against them. https://pdfruler.com/blog/is-my-pdf-really-a4-check-210-x-297-mm/https://pdfruler.com/blog/is-my-pdf-really-a4-check-210-x-297-mm/Tue, 08 Sep 2026 12:00:00 GMTA PDF can look like A4 but be 209.9 x 296.9 mm or Letter. Check the exact page size, the tolerance printers accept, and how to find hidden size problems. https://pdfruler.com/blog/check-a-business-card-pdf-size-before-printing/https://pdfruler.com/blog/check-a-business-card-pdf-size-before-printing/Fri, 04 Sep 2026 12:00:00 GMTCheck that a business card PDF is the right size, with the right bleed and safe zone: standard sizes in mm and inches, and how to verify each one. https://pdfruler.com/blog/how-to-check-crop-marks-in-a-pdf/https://pdfruler.com/blog/how-to-check-crop-marks-in-a-pdf/Tue, 01 Sep 2026 12:00:00 GMTCrop marks show where a printer will cut. Find them in a PDF, measure their offset and length, and check the trim size against the marks using a free online ruler. https://pdfruler.com/blog/what-is-pdf-bleed-and-how-to-check-it/https://pdfruler.com/blog/what-is-pdf-bleed-and-how-to-check-it/Fri, 28 Aug 2026 12:00:00 GMTBleed is extra artwork past the trim edge so no white shows after cutting. Learn standard bleed sizes (3 mm, 0.125 in) and how to check bleed on a PDF. https://pdfruler.com/blog/check-pdf-margins-and-bleed-before-printing/https://pdfruler.com/blog/check-pdf-margins-and-bleed-before-printing/Tue, 25 Aug 2026 12:00:00 GMTMeasure margins, safe area and bleed in a PDF before sending it to print. Learn typical bleed sizes (3 mm / 0.125 in) and how to verify them with a PDF ruler. https://pdfruler.com/blog/ruler-guides-for-pdf-alignment-and-margins/https://pdfruler.com/blog/ruler-guides-for-pdf-alignment-and-margins/Fri, 21 Aug 2026 12:00:00 GMTDrag guides out of the PDF rulers to check alignment, margins and spacing. Each guide shows its exact distance in mm, cm, inches or points, and stays accurate at any zoom. https://pdfruler.com/blog/change-pdf-ruler-origin-measure-from-any-corner/https://pdfruler.com/blog/change-pdf-ruler-origin-measure-from-any-corner/Tue, 18 Aug 2026 12:00:00 GMTChoose which page corner is 0,0: top left, top right, bottom left or bottom right. Read X/Y and ruler values from the corner your printer or CAD tool uses. https://pdfruler.com/blog/shift-align-measure-straight-horizontal-and-vertical-pdf-lines/https://pdfruler.com/blog/shift-align-measure-straight-horizontal-and-vertical-pdf-lines/Fri, 14 Aug 2026 12:00:00 GMTHold Shift while placing the second point to lock the line to the first point's horizontal or vertical axis, so measured widths and heights are exactly level or plumb. https://pdfruler.com/blog/snap-to-edges-measure-pdf-content-precisely/https://pdfruler.com/blog/snap-to-edges-measure-pdf-content-precisely/Tue, 11 Aug 2026 12:00:00 GMTPdfRuler snaps the cursor, points and guides onto text, lines, shapes and page edges so measurements land exactly on content. How snap works and when to turn it off. https://pdfruler.com/blog/measure-distance-between-two-points-in-a-pdf/https://pdfruler.com/blog/measure-distance-between-two-points-in-a-pdf/Fri, 07 Aug 2026 12:00:00 GMTMeasure the distance between any two points in a PDF: click twice, read the labelled line, then check across, down and angle in the info card. https://pdfruler.com/blog/place-a-point-on-a-pdf-and-read-its-coordinates/https://pdfruler.com/blog/place-a-point-on-a-pdf-and-read-its-coordinates/Tue, 04 Aug 2026 12:00:00 GMTClick two points on a PDF to measure the distance between them in mm, cm, inches or points. Read exact X/Y positions with guide lines running to the rulers.