Free Tools for Everyone
Format, convert, validate, compare, inspect, and create files locally with purpose-built browser tools.
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Focused subcategories surface the right tools without forcing you through the entire catalog.
Processing
Minify or key-sort JSON and move between nested documents and dot-path flat records while preserving JSON value types.
Conversion
Convert JSON records into CSV, XML, or YAML while making array, nesting, scalar, and escaping behavior explicit.
Validators
Test regular expressions and check URL or email syntax with visible match, parsing, and failure details.
Image Transformer
Compress browser-supported images or arrange selected images into a PDF document without uploading source files.
Cryptography
Calculate MD5 or SHA digests and decode JWT header and payload claims without presenting decoded data as verified trust.
Transform
Change letter case or sort text lines with explicit ordering and duplicate behavior for lists, labels, and editorial data.
Curated Tool Collections
Recommended Multi-Step Pipelines
Turn a captured JSON response into a readable document, then compare its serialized fields with a known reference payload.
Compress browser-ready images, assemble approved visuals into a PDF, and translate selected sRGB colors into implementation values.
Private by architecture
Your files and input stay in browser memory. Tools run locally without upload APIs or private processing servers.