All Signature Tools
Browse every free signature tool from Utills — make a signature transparent, clean a scan, resize to exact pixels, fit a 50 KB limit, prepare one for a form, or combine a photo and signature for an exam, all in your browser.
All-in-one signature cleaner
Open the full editor — clean, trim, resize, and size in one place.
Signature for a form
为任何申请或注册表单获取清晰、尺寸正确的签名图片 — 免费,直接在浏览器中完成。
Transparent signature
去除签名背后的纸张,导出干净透明的 PNG,可放置在任何文档上 — 免费,在您的浏览器中。
Resize a signature
将签名调整为表单所需的精确像素大小 — 按宽度或适配框内 — 同时保持清晰。免费,在您的浏览器中。
Signature to 50 KB
将签名压缩至 50 KB(或 20 KB、100 KB)以下,满足考试和政务表单的要求 — 自动完成,免费,在您的浏览器中。
Photo + signature
清理签名并与证件照合并为一张图片,尺寸适合考试表单上传 — 免费,在您的浏览器中。
Signature cleaner
将杂乱的手机照片或签名扫描件转化为清晰、干净的图像 — 去除背景、加深墨迹 — 免费,在您的浏览器中。
更多图片工具
Crop an image
Crop to any ratio or an exact pixel size.
Image toolResize an image
Change dimensions to exact pixels or presets.
Image toolCompress an image
Shrink file size without visible quality loss.
Image toolRotate an image
Rotate 90°, flip, or straighten a tilted photo.
Image toolConvert HEIC to JPG
Turn iPhone HEIC photos into universal JPG.
Image toolConvert image format
PNG, JPG and WebP — convert any to any.