Pengubah Ukuran Gambar

Resize images to any dimension

100% gratis. Berjalan sepenuhnya di browser Anda - file dan data Anda tidak pernah meninggalkan perangkat Anda dan tidak ada yang diunggah ke server mana pun.

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Seret & lepas file di sini

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Supports PNG, JPG, WebP up to 20MB

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Tentang alat ini

Resizing changes how many pixels an image contains - its width and height - which is a different operation from compressing, and the two are often confused. Compression makes the file smaller while keeping the same dimensions; resizing makes the image itself physically smaller or larger. In practice resizing usually saves far more space, because file size scales with the total pixel count: halving both width and height leaves a quarter of the pixels. The other thing worth understanding is that resizing down is safe and resizing up is not. Shrinking discards pixels the image genuinely had, so the result stays sharp. Enlarging has to invent pixels that were never captured, which is why an upscaled photo looks soft no matter what tool produced it. Everything here runs in your browser using its own canvas, so images are never uploaded and there is no queue.

Alur kerja

Optimalkan gambar untuk situs web Anda

Urutan itu penting: ubah ukuran dulu agar kompresi memiliki lebih sedikit piksel untuk diproses, dan konversi di akhir. Setiap langkah di bawah membuka alat yang sesuai.

  1. 1UnggahJatuhkan JPG atau PNG Anda langsung ke alat ini.
  2. 2Ubah ukuranSesuaikan ke ukuran yang benar-benar ditampilkan.Anda di sini
  3. 3KompresPerkecil file tanpa penurunan kualitas yang terlihat.Buka
  4. 4Konversi ke WebPBiasanya 25-35% lebih kecil lagi dari JPG.Buka
  5. 5UnduhSimpan dan unggah ke situs Anda.
Alur kerja

Siapkan foto produk untuk toko online

Hilangkan latar belakang, kotakkan bingkainya, lalu sesuaikan ukuran file dengan batas platform.

  1. 1Hapus latar belakangPisahkan produk dengan latar transparan.Buka
  2. 2Potong jadi persegiSebagian besar marketplace mengharapkan bingkai 1:1.Buka
  3. 3Ubah ukuranSesuaikan persis dengan dimensi listingan.Anda di sini
  4. 4Capai batas ukuranKompres ke target KB yang tepat.Buka
Alur kerja

Ubah foto iPhone atau AVIF menjadi sesuatu yang bisa dibuka semua orang

Format kamera modern efisien tetapi banyak aplikasi tidak dapat membacanya. Konversi, lalu sesuaikan ukurannya untuk tujuannya.

  1. 1HEIC ke JPGUntuk foto langsung dari iPhone.Buka
  2. 2AVIF ke JPGUntuk gambar yang disimpan dari situs web modern.Buka
  3. 3Ubah ukuranSesuaikan untuk ke mana pun tujuannya.Anda di sini
  4. 4KompresJPG lebih besar dari aslinya - perkecil.Buka

Cara menggunakan alat ini

  1. Add your imageDrop it in or browse to select. The current pixel dimensions are shown so you know what you are starting from.
  2. Enter the new sizeSet a width and height in pixels, or scale by percentage. Presets cover the common social and display sizes.
  3. Decide about the aspect ratioLeave the lock on and the image scales proportionally. Turn it off only when you deliberately want to stretch to exact dimensions.
  4. Resize and downloadThe image is redrawn at the new size on your device and downloads immediately. Your original file is untouched.

Mengapa menggunakannya

  • Usually saves far more file size than compression alone, because you are removing pixels rather than re-encoding them.
  • Aspect ratio lock prevents the stretched, squashed look that manual width and height entry causes.
  • Runs on your device, so private photos never leave it.
  • Presets for common target sizes, so you do not have to look up what a profile picture or thumbnail should be.
  • No account, no watermark and no upload limit.

Penggunaan umum

  • Meeting an exact pixel requirement on a form, marketplace listing or job portal.
  • Preparing images for a website, where full-resolution camera photos are wildly oversized.
  • Making a profile picture or banner fit a platform's stated dimensions.
  • Shrinking a batch of photos before emailing or messaging them.
  • Reducing very large scans to a workable size before further editing.

Tips untuk hasil lebih baik

  • Keep the aspect ratio locked unless you have a specific reason not to. Stretching is immediately obvious on faces and text.
  • Resize down from the original, not from an already-resized copy. Each resize loses a little sharpness.
  • For web use, resize to roughly twice the display size to stay sharp on high-density screens, then compress.
  • If you need a specific file size rather than specific dimensions, use Resize Image to KB instead.
  • Resize first, then compress. Doing it in that order gives a much smaller file than compression alone.

Kesalahan yang harus dihindari

  • Enlarging a small image and expecting detail to appear. The pixels were never captured; upscaling only interpolates.
  • Unlocking the aspect ratio by accident, which stretches the image without any warning.
  • Resizing the original file and overwriting it. Keep the full-resolution version - you cannot recover it later.
  • Confusing resizing with compression, then wondering why a "resized" image still exceeds an upload limit.
  • Resizing images destined for print using screen dimensions. Print needs far more pixels than a screen does.

Format yang didukung

  • JPG
  • PNG
  • WebP
  • GIF

Opsi yang tersedia

  • Width
  • Height
  • Keep aspect ratio
  • Output format

Pertanyaan yang sering diajukan

Add your image above, enter the width and height you need or scale by percentage, and download. The resize happens in your browser, so nothing is uploaded.

Yes - no account, no limit on how many images you resize and no watermark on the output.

Not if the aspect ratio lock is on - the image scales proportionally. Turning it off and entering mismatched width and height will stretch the image to fit exactly those numbers.

No. Enlarging stretches existing pixels rather than adding real detail, so the result looks soft. For a better enlargement, the Image Upscaler uses multi-pass resampling designed for that purpose - though no tool can recover detail that was never captured.

Resizing changes the pixel dimensions; compressing changes how efficiently those pixels are stored. Resizing usually saves more space, and doing both - resize first, then compress - gives the smallest file.

Yes, substantially in most cases. File size roughly follows the total pixel count, so halving the width and height leaves about a quarter of the pixels and a much smaller file.

No. The resize uses your browser's canvas on your own device. The page keeps working with the network disconnected.

It varies by platform and changes regularly, which is why presets are provided. As a general rule, upload larger than the display size - platforms downscale well but cannot add detail to an undersized image.

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