File Compressor to 1MB — Compress Files Under 1MB Free
Compress files to under 1MB in your browser. Set a 1MB target and the tool shrinks images and PDFs until they fit — free, private, no upload, no sign-up.
Drop your file here, or click to browse
文件在浏览器中处理 —— 不会上传任何内容。
What is a file compressor to 1MB?
这是什么
A file compressor to 1MB shrinks your file until it fits under a 1-megabyte target. filecompressor.app lowers the quality of images and re-encodes PDFs in your browser until the output is under 1MB, then lets you download it instantly.
This is perfect for web forms, app uploads, and email attachments that enforce a 1MB limit. Everything runs locally, so your files stay private and there are no sign-ups or limits.
How to compress a file to 1MB
使用方法
Reaching a 1MB target is automatic:
- 1
Drop your image or PDF into the dropzone above, or click to browse.
- 2
The compressor targets 1MB, lowering quality until the output fits, then shows the final size and percentage saved.
- 3
Click Download to save the file. It is now under 1MB and ready to upload.
Why use this 1MB compressor?
为什么使用
Hits an exact 1MB target so files pass strict upload limits.
100% private — files are processed in your browser and never uploaded.
Free with no sign-up, no watermarks, and no limits.
Works on images and PDFs, the most common limited-upload formats.
Runs on desktop and mobile with no app install.
FAQ
关于此压缩工具的常见问题。
常见问题
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