Open pdfedit.com/crop-pdf in any browser, drop your PDF onto the page. The crop modal opens automatically. Click Auto-detect content margins or set them with the four sliders. Click Apply, then Save. No account, no upload, no Adobe Pro.

How do I crop a PDF for free?

Use this tool — 100% free, no signup, no daily quota. Drop the PDF, set margins, apply, save. The crop runs in your browser using pdf-lib.

Yes. PDFs have a CropBox property that controls the visible region of each page — every PDF reader respects it. Cropping a PDF means setting that CropBox to a smaller rectangle. We do that in your browser without modifying the underlying content stream, so the original layout can be restored.

How do I crop a PDF on Mac?

Two options: (1) macOS Preview — File → Open the PDF → drag a selection rectangle around what you want to keep → Tools → Crop. Works offline, no install. (2) This tool — drop the PDF here, the crop modal opens, set margins or auto-detect, apply. Useful when Preview isn't available or when you need batch-style margin control.

How do I crop a PDF in Adobe?

In Adobe Acrobat Pro ($19.99/month): Edit PDF → Crop Pages → drag a rectangle on the page → set margins for all pages → OK. Adobe also offers Remove White Margins which auto-detects content. We do the same auto-detect, free, in your browser, no install.

Is this PDF crop tool free?

Yes. 100% free forever — no trial, no premium tier, no per-file charge, no daily quota.

No. The crop runs entirely in your browser via pdf-lib. Your PDF never leaves your device.

Will the cropped content be permanently deleted?

No — this is a soft crop (CropBox). The original page bounds are preserved in the file's MediaBox; the CropBox just defines the visible region. Reopening the PDF in any editor and resetting the CropBox restores the trimmed area. This is the same behaviour Adobe Acrobat's Crop tool produces.

Can I auto-detect content margins?

Yes — click Auto-detect content margins in the modal. We render page 1, scan for the bounding box of non-white pixels, and set margins to crop tight to the content with a small padding. Most documents have consistent margins across pages so page 1 is a reliable sample. Best for scanned documents, slides exported as PDF, and any doc with surrounding whitespace.

Can I crop one page or all pages?

Both. The modal has a scope selector — Apply to all pages (default) or Current page only. The current-page mode is useful for fixing odd one-off pages without altering the rest of the document.

Will the cropped PDF lose any quality?

No. Cropping doesn't re-encode any content — it just sets a smaller visible region. Text stays text, images stay images, vectors stay vectors at full fidelity. The output file size is essentially identical to the input.

What is a CropBox in a PDF?

PDFs have several boxes per page — MediaBox (full physical extent), CropBox (visible region in viewers), BleedBox (print bleed), TrimBox (final trim line), ArtBox (meaningful content). Setting the CropBox is what 'cropping' actually means in PDF terms. Adobe, Preview, and our tool all set CropBox.

Does it work on mobile?

Yes. iPhone Safari, iPad, Android Chrome — any modern mobile browser.

What's the best way to crop a PDF?

For privacy-first cropping with auto-detect and no upload, we believe pdfedit.com is the best free option. On Mac, Preview's built-in crop is a solid offline alternative. For desktop / batch automation, Adobe Acrobat Pro is the gold standard but costs $19.99/month.

Tapahia he PDF — Kore utu, i tō tirotiro, kāore he tukuatu

Tapahia ngā tapa, tangohia te wāhi mā, whakauruhia ki te ihirangi. Rapu-aunoa, whakaritea ā-ringa rānei. Tirohanga ora. Kāore he pātū utu Adobe Pro.

Drop a PDF — the crop modal opens with a live preview. Click Rapu-aunoa i ngā tapa o te ihirangi to trim the surrounding whitespace automatically, or use the four sliders for manual top / right / bottom / left margins. Soft crop (CropBox) — same approach Adobe Acrobat uses. Original content is preserved; the crop can be reset later.

Tukua tō PDF ki konei

rānei

Kāore he tukuatu e hiahiatia ana. Ka huaki te modal tapahi ina utaina tō PDF.

Me Pēhea te Tapahi PDF — Hīkoi ki te Hīkoi

1
Tukua tō PDF
Drag any PDF onto the dropzone above, or click Tīpakohia te PDF to browse. The file loads into your browser memory only — no server upload.
2
Pāwhiritia te Rapu-aunoa i ngā tapa o te ihirangi
Ka mātakitaki te modal i te whārangi 1 mō te pouaka here o ngā ihirangi kāore i te mā, ka whakaritea ngā tapa kia tata ki te ihirangi. He ōrite ngā tapa o te nuinga o ngā tuhinga puta noa i ngā whārangi, nō reira he tauira pono te whārangi 1.
3
Whakaritea rānei ngā tapa ā-ringa
Whakamahia ngā paheke e whā mō ngā tapa o runga / matau / raro / mauī (0-50% ia mea). Ka whakaatu te tirohanga ora i te wāhi i tapahia ki te whero kia kite koe i ngā mea i tapahia.
4
Tīpakohia te whānui: ngā whārangi katoa, te whārangi o nāianei rānei
Ko te taunoa ko ngā whārangi katoa. Hurihia ki te whārangi o nāianei anake mō ngā whārangi rerekē kotahi-rite, kāore e whakarerekē i ētahi atu o te tuhinga.
5
Whakahāngai & tiaki
Pāwhiritia te Whakahāngai. Ka utaina anō te PDF tapahi ki te ētita. Pāwhiritia te Tiaki ki te tikiake. He CropBox ngohe te tapahi — ka taea te whakahoki ngā ihirangi taketake mā te whakatautanga anō o te CropBox āmuri ake.

He aha te take ka whakamahia tēnei Taputapu Tapahi PDF?

Rapu-aunoa i ngā tapa o te ihirangi

Te āhuatanga whakahirahira. Ka whakaputa i te whārangi 1, ka mātakitaki mō ngā pika kāore i te mā, ka whakaritea ngā tapa kia tata ki te ihirangi me te kīkī iti. Tino pai mō ngā tuhinga matawai, ngā tāpaki kauhau, me ngā mea katoa he wāhi mā e karapoti ana.

100% ā-rohe

E kore tō PDF e wehe i tō taputapu. Ka tukuatu a Adobe (paetukutuku), iLovePDF, Sejda, Smallpdf, PDF24 katoa — kāore mātou.

Tapahi ngohe, ka taea te huri whakamuri

Ka whakaritea e mātou te whārangi CropBox, kaua ko te MediaBox. Ka tiakina ngā ihirangi taketake; ka whakawhāiti noa te tapahi i te wāhi e kitea. He huarahi ōrite ki tā Adobe Acrobat e whakamahi ana mō Edit → Crop. Ka whakahoki te whakatautanga o te CropBox i te whārangi taketake.

Tirohanga ora

Ka whakahōuhia te tirohanga ki te whakatakoto whero ki runga i te wāhi i tapahia mō ia whakatikatika tapa. Kāore he matapae.

Kāore he ngaronga kounga

E kore te tapahi e whakawaehere anō i tētahi mea. Ka tiakina ngā kupu, whakaahua, whēkau i te kounga katoa. Te rahi kōnae putanga ≈ tāuru.

Kore utu, kāore he waitohu, kāore he tepe

Kāore he pūkete, kāore he īmēra, kāore he captcha, kāore he kuata ia rā, kāore he tohu wai.

Crop PDF i te taha o Adobe Acrobat, iLovePDF, Sejda, macOS Preview

Āhuatanga	PDF Edit	Adobe Acrobat Pro	iLovePDF	Sejda	macOS Preview
Tukuatu ana te PDF ki tētahi tūmau?	Kāo — 100% ā-rohe	Āe (paetukutuku) / Kāo (papamahi)	Āe	Āe	Kāo
Utu	Kore utu	$19.99/month	Kore utu + utua	Kore utu + utua	Kore utu (Mac anake)
Rapu-aunoa i ngā tapa o te ihirangi?	Āe	Āe (Tangohia ngā Tapa Mā)	Kāo	Iti	Kāo
Tirohanga ora?	Āe	Āe	Iti	Āe	Āe
Ia-whārangi, ia katoa-whārangi rānei?	Ngā mea e rua	Ngā mea e rua	Katoa anake	Ngā mea e rua	Ia whārangi
Whakawhiti-papaaho?	Tētahi tirotiro	Win / Mac / paetukutuku	Tukutuku	Tukutuku	Mac anake
Mahi tuimotu i muri i te utaina?	Āe	Papamahi āe / paetukutuku kāo	Kāo	Kāo	Āe

Ko macOS Preview te kōwhiringa pai rawa atu mō ngā kaiwhakamahi Mac. Mō ētahi atu (Windows, Linux, Chromebook, pūkoro), ki te āhuatanga rapu-aunoa hoki i runga i te Mac, ka kapi tēnei taputapu ngā mea e kore e taea e Preview.

Ngā Pātai Auau

Me pēhea taku tapahi i tētahi PDF?

Tukua te PDF ki te whārangi i runga ake. Ka huaki te modal tapahi. Pāwhiritia te Rapu-aunoa, whakaritea ngā tapa ā-ringa rānei. Pāwhiritia te Whakahāngai, kātahi te Tiaki.

Me pēhea taku tapahi i tētahi PDF i te kore utu?

Whakamahia tēnei taputapu — 100% kore utu, kāore he waitohu, kāore he kuata ia rā.

Ka taea e koe te tapahi i tētahi PDF?

Āe — kei ia PDF tētahi taonga CropBox e tautuhi ana i te wāhi e kitea. Ko te tikanga o te tapahi PDF ko te whakarite i taua CropBox kia iti ake. Ka mahia e mātou tērā i roto i tō tirotiro.

Me pēhea taku tapahi i tētahi PDF i runga i te Mac?

E rua ngā kōwhiringa: macOS Preview (kumea tētahi tapawhā kōwhiri, Tools → Crop), tēnei taputapu rānei (he āhuatanga maha ake, rapu-aunoa, whakawhiti-papaaho).

Me pēhea taku tapahi i tētahi PDF i Adobe?

Adobe Acrobat Pro: Edit PDF → Crop Pages → kumea tētahi tapawhā → whakaritea ngā tapa → OK. Ohaurunga $19.99/month. Ka mahi tā mātou taputapu i taua āhuatanga rapu-aunoa, kore utu.

Ka mukua mō ake tonu ngā ihirangi i tapahia?

Kāo — tapahi ngohe. Ka whakaritea e mātou te CropBox, kaua ko te MediaBox. Ka tiakina ngā rohe taketake o te whārangi, ā, ka taea te whakahoki.

Ka taea e au te rapu-aunoa i ngā tapa o te ihirangi?

Āe. Pāwhiritia te Rapu-aunoa i ngā tapa o te ihirangi. Ka mātakitakihia te whārangi 1 mō ngā pika kāore i te mā, ka whakaritea ngā tapa kia tata ki te ihirangi.

Ka ngaro te kounga o te PDF tapahi?

Kāo. E kore te tapahi e whakawaehere anō i tētahi mea — ka tiakina ngā kupu, whakaahua, whēkau katoa i te kounga katoa.

He aha te CropBox?

Ko te āhuatanga whārangi PDF e whakahaere ana i te wāhi e kitea i ngā kaitirotiro. Ko te whakaiti i tērā te tikanga o te tapahi PDF.

Kua tukuatu tāku PDF?

Kāo. Ka rere te tapahi i roto i tō tirotiro mā pdf-lib.

He tepe-rahi-kōnae?

Kāore he tepe horihori.

Ka mahi i runga i te pūkoro?

Āe — iPhone Safari, iPad, Android Chrome.

Ka mahi tuimotu?

Āe ina utaina te whārangi.

Mō tēnei taputapu: Ko te pūkaha tapahi i konei te taputapu tapahi e tukuna ana e tā mātou ētita matua — tukua tō PDF, ka huaki te ētita me te whakatau o te modal tapahi. Kotahi te puna o te pono, kāore he waehere tapahi e taruarua ana. E kore te PDF e wehe i tō taputapu — ka whakatakotohia e pdf-lib te CropBox i roto anō i tō tirotiro.

Last updated: 2026-05-01