All processing stays in your browser — files are not stored.
Free Browser Tools for Images, PDFs, and Data
Convert images, clean up PDFs, remove backgrounds, and process CSV, JSONL, or Parquet files with 61 browser-based tools. Choose a file or describe the problem to see only relevant options. Files are not uploaded to an external server.
See only tools that support its format
Your file is not uploaded
Browse by goal
JPG to PNG
Convert JPG into PNG for cleaner follow-up editing.
JPGPNG to JPG
Convert PNG into lighter JPG for easier sharing.
JPGHEIC to JPG
Convert iPhone HEIC photos into widely supported JPG.
JPG Compress
Reduce JPG size for photo-heavy workflows.
Image Compress
Trim image size before publishing, uploading, or sharing.
JPGPDF to JPG
Export PDF pages as JPG images for previews or reuse.
Image to PDF
Combine images into a single PDF for easier submission or sharing.
Resize Image
Resize image dimensions for the destination you need.
Guides
Short guides on image formats, compression, and PDF workflows — useful before or after using the tools.
Why HEIC files won't open on Windows (and how to fix it)
Why iPhone photos (HEIC) fail to open on Windows, and the fastest ways to fix it.
How to fix CSV mojibake (garbled text): Excel, UTF-8, and Shift_JIS
Why CSVs come out garbled in Excel (UTF-8 vs Shift_JIS) and how to fix it on the spot.
JPG vs JPEG: why there are two extensions for the same format
JPG and JPEG are the same format — here's why both extensions exist and when it matters.
What is WebP? How to open it and convert to JPG or PNG
Why saved images end up as WebP, and how to convert them to JPG or PNG when needed.
How to crop an image to a square (for icons and social)
Crop images to a square for icons and social posts, with framing tips.
What is AVIF? Opening .avif files and converting to JPG or PNG
What the high-compression AVIF format is, and how to convert it to JPG or PNG.
How to choose an image format
Understand when to use JPG, PNG, WebP, or HEIC based on file size, compatibility, transparency, and editing needs.
How to compress images without ruining quality
Learn how format choice, dimensions, and compression work together when you want smaller images without obvious damage.
How to choose the right PDF tool
Learn when to merge, split, convert, clean up, or optimize PDFs depending on the task in front of you.
Parquet vs CSV for AWS, BigQuery, and Spark
How Parquet reduces costs on AWS Athena and BigQuery, when to stick with CSV, and browser-based conversion tools that require no setup.
Frequently Asked Questions
Is Filewisp free to use?▾
Yes. The published tools are free to use, and the site is meant to be easy to try without setup.
Are uploaded files safe?▾
Most tools process files in your browser, which helps keep images off external servers and makes the tools easier to use for sensitive everyday tasks.
What file formats are supported?▾
The site covers JPG, PNG, WebP, HEIC, GIF, AVIF, BMP, TIFF, ICO, SVG, and several PDF workflows including conversion, splitting, merging, and compression.
Will more tools be added later?▾
Probably, but the priority is improving the usefulness and clarity of the tools already here before expanding the list further.