AI Image Upscaler - Perbesar ke 4K Gratis
Perbesar gambar ke 4K atau lebih tinggi tanpa kehilangan kualitas. Upscaling 2x dan 4x bertenaga AI dengan peningkatan wajah. Gratis untuk memulai.
Pilih Gambar
Seret dan lepas atau klik untuk unggah
JPG, PNG, WEBP • Maks 10MB
atau coba contoh
Opsi Upscale
Didukung oleh GFPGAN untuk fitur wajah lebih tajam
Mengapa Memilih AI Image Upscaler Kami?
Upscaling gambar bertenaga AI profesional dengan teknologi Real-ESRGAN
Upscaling Gambar Bertenaga AI
AI Real-ESRGAN canggih kami tidak hanya mengubah ukuran gambar—ia secara cerdas merekonstruksi detail yang hilang, meningkatkan tekstur, dan menambahkan kejelasan yang sebelumnya tidak terlihat. Setiap piksel dianalisis dan ditingkatkan untuk kualitas maksimum.
Perbesar gambar gratis
Peningkatan Wajah Bawaan
Didukung oleh GFPGAN, penambah wajah kami secara khusus menargetkan fitur wajah untuk hasil potret yang menakjubkan. Mata menjadi lebih tajam, tekstur kulit membaik secara alami, dan ekspresi tetap autentik—sempurna untuk memperbesar foto keluarga lama.
Coba peningkatan wajah
Perbesar ke 4K dan Lebih
Ubah gambar kecil menjadi file siap cetak besar. 2x menggandakan resolusi, 4x melipatempat—mencapai 4K, 8K, atau bahkan lebih tinggi. Sempurna untuk mencetak poster, memperbesar wallpaper, atau menyiapkan gambar untuk tampilan besar.
- 2x: Pemrosesan cepat (~12d), ideal untuk media sosial
- 4x: Detail maksimum (~25d), sempurna untuk cetak
- Tanpa kehilangan kualitas—AI mengisi detail yang hilang
- Bekerja pada gambar ukuran apapun hingga 10MB
Gratis & Harga Transparan
Tanpa biaya tersembunyi atau langganan bulanan. Mulai dengan 5 kredit gratis, lalu bayar hanya untuk yang Anda gunakan. Upscale 2x biaya 2 kredit, 4x biaya 3 kredit. Sederhana, adil, dan transparan.
Mulai gratisCara Memperbesar Gambar dalam 3 Langkah
Perbesar gambar apa pun ke resolusi 4K atau lebih tinggi dengan AI
Unggah Gambar Anda
Unggah gambar JPG, PNG, atau WebP hingga 10MB. Seret dan lepas atau klik untuk jelajahi.
Pilih Pengaturan Upscale
Pilih faktor upscaling 2x atau 4x, dan aktifkan peningkatan wajah untuk potret.
Unduh Hasil Resolusi Tinggi
Dapatkan gambar yang diperbesar dalam hitungan detik. Unduh sebagai PNG untuk kualitas terbaik atau JPG untuk ukuran lebih kecil.
The Technology Behind AI Image Upscaling
Our image upscaler uses Real-ESRGAN (Real-Enhanced Super-Resolution Generative Adversarial Network), a state-of-the-art AI model specifically designed for image super-resolution. Unlike traditional bicubic or bilinear interpolation that simply stretches pixels and creates blurry results, Real-ESRGAN has been trained on millions of image pairs to understand textures, edges, patterns, and fine details. When you upload an image, the model analyzes the existing pixels and intelligently generates new, realistic detail that fills in the gaps. For portraits, we optionally apply GFPGAN (Generative Facial Prior GAN), which specializes in restoring and enhancing facial features with remarkable accuracy.
Step 1: Unggah Gambar Anda
Upload any image in JPG, PNG, or WebP format up to 10MB. Our system detects the image dimensions, color profile, and content type automatically. For optimal 4x results, we recommend images at least 512x512 pixels — smaller images work too but may show more AI-generated texture patterns.
Step 2: Pilih Pengaturan Upscale
Choose 2x upscaling to double your resolution (e.g., 1000x1000 → 2000x2000) or 4x to quadruple it (e.g., 1000x1000 → 4000x4000). Toggle face enhancement if your image contains people — GFPGAN will sharpen eyes, improve skin texture, and enhance facial expressions while keeping results natural and realistic.
Step 3: Unduh Hasil Resolusi Tinggi
Once processing completes, you can compare the original and upscaled versions side by side. Download as PNG for maximum quality and lossless output, or JPG for a smaller file size suitable for web use and sharing. All downloads are full resolution with no watermarks.
Kasus Penggunaan Upscaling Gambar
Dari foto lama hingga seni AI, perbesar gambar apa pun ke resolusi siap cetak
Pembesaran Foto Lama
Perbesar kenangan berharga dan foto vintage untuk dicetak. Ubah gambar kecil dan berpiksel menjadi cetakan besar dan detail.
Produk E-commerce
Perbesar foto produk untuk fungsi zoom. Buat gambar resolusi tinggi yang menampilkan setiap detail.
Konten Media Sosial
Perbesar gambar untuk tampilan besar dan layar DPI tinggi. Buat konten Anda terlihat menakjubkan di perangkat apa pun.
Cetak & Poster
Siapkan gambar untuk pencetakan format besar. Perbesar ke ukuran poster tanpa kehilangan ketajaman atau detail.
Aset Game & Digital
Perbesar tekstur, sprite, dan seni digital untuk tampilan modern. Sempurna untuk modding game dan proyek digital.
Seni Buatan AI
Perbesar gambar buatan AI untuk dicetak atau dipajang. Ubah kreasi Anda dari ukuran pratinjau menjadi layak pajang.
Real Estate Photography
Upscale property listing photos for high-resolution virtual tours and large display prints. Make room photos look sharp and professional on real estate websites.
Wedding & Event Photos
Enlarge precious wedding and event photos for printing, framing, and albums. Recover detail from distant shots and make every moment print-worthy.
Document & Scan Enhancement
Upscale scanned documents, book pages, and archival materials for better readability. Sharpen text and illustrations that were captured at low resolution.
Desktop & Phone Wallpapers
Transform any image into a crisp, high-resolution wallpaper for your desktop, laptop, or phone. Upscale to match your exact screen resolution for pixel-perfect display.
How Nano Banana 2 Compares to Other Image Upscalers
An honest look at how our AI upscaler stacks up against popular alternatives
AI image upscaling has become widely available, but not all tools are equal. Here is how Nano Banana 2 Image Upscaler compares to the most popular alternatives on the market.
Nano Banana 2 vs Bigjpg
Bigjpg is a popular free upscaler that uses waifu2x-based models, which work particularly well for anime and illustration-style images. For photographic content, however, Real-ESRGAN (used by Nano Banana 2) generally produces more realistic textures and finer detail. Bigjpg also has queue times during peak hours and limits free users to lower resolution outputs. Nano Banana 2 processes images immediately with no queue and provides full-resolution downloads for all users.
Nano Banana 2 vs Let's Enhance
Let's Enhance is a subscription-based service (/month) offering multiple AI upscaling models. It provides good quality and batch processing for paid users. The downside is the monthly subscription — if you only need occasional upscaling, the per-image cost can be quite high. Nano Banana 2 uses a credit-based system where you pay only for what you use, making it significantly more cost-effective for moderate usage. Both tools deliver comparable quality for photographic content.
Nano Banana 2 vs Topaz Gigapixel AI
Topaz Gigapixel AI is a premium desktop application (9 one-time purchase) that offers excellent upscaling quality and full offline processing. It is the go-to choice for professional photographers who process large volumes of images. For casual and moderate users, however, the upfront cost and desktop-only limitation make it less accessible. Nano Banana 2 offers comparable quality through a browser-based interface with no software installation required, and our credit system makes it accessible for any budget.
Nano Banana 2 Image Upscaler provides professional-quality Real-ESRGAN upscaling with an optional GFPGAN face enhancer, all through a simple browser-based interface. Our pay-as-you-go pricing makes high-quality upscaling accessible without subscriptions or expensive software purchases.
Tips & Best Practices for Image Upscaling
Maximize the quality of your upscaled images with these expert recommendations
Start with the Best Available Quality
AI upscaling amplifies both detail and artifacts. Start with the highest quality source image available — avoid heavily compressed JPGs or images with visible noise. If you have access to the original file, use it instead of a web-optimized version.
Choose the Right Scale Factor
Use 2x for images that just need a moderate boost — web thumbnails to full-size, or social media to print. Use 4x for images that need dramatic enlargement — old photos to poster size, or AI art to wall display. Over-upscaling beyond what the source supports may introduce unwanted AI artifacts.
Enable Face Enhancement for Portraits
Whenever your image contains faces, toggle on face enhancement. GFPGAN specifically targets facial features, producing noticeably sharper eyes, more natural skin textures, and clearer expressions compared to general upscaling alone.
Use PNG for Maximum Quality
Always download upscaled results as PNG when quality matters. JPG compression can undo some of the detail the AI generated. Save as JPG only when you need smaller file sizes for web uploads or sharing.
Avoid Upscaling Already-Upscaled Images
Running an upscaled image through the upscaler again rarely improves quality and can introduce compounding AI artifacts. If you need more than 4x enlargement, start with 4x from the original rather than running 2x twice.
Crop Before Upscaling
If you only need a portion of the image at high resolution, crop it first and then upscale. This saves processing time and credits, and the AI can focus its detail generation on the content that matters.
Compare Before and After
Use the side-by-side preview to inspect the upscaled result at full zoom before downloading. Check edges, textures, and faces to ensure the output meets your expectations. Different images respond differently to upscaling.
Test with a Small Section First
For important projects, test upscaling on a cropped section of your image first. This lets you evaluate the quality before committing credits to the full image, especially useful for 4x upscaling of large images.
Upscale your product photos to 4K, then create stunning lifestyle scenes for your listings.
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FAQ Image Upscaler
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