Free tools

Storage tools, no signup required.

The calculators and utilities we built while making Purgify — free to use, nothing uploaded, nothing tracked.

• 01

  Storage Unit Converter

  Convert between bytes, KB, MB, GB and TB — decimal and binary, side by side.

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• 02

  Cloud Storage Price Comparison

  Compare free tiers and per-GB pricing across the 12 providers Purgify supports.

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• 03

  Duplicate File Finder

  Find duplicate files in your browser — nothing is ever uploaded.

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• 04

  File Hash / Checksum Generator

  Generate SHA-1, SHA-256 or SHA-512 checksums for a file or text — locally.

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• 05

  Reclaimable Space Calculator

  Estimate how much cloud storage you could free up by cleaning duplicates and stale files.

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• 06

  Transfer Time Calculator

  Estimate how long a download or upload will take at a given speed.

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• 07

  What Fits in X GB?

  See roughly how many photos, songs, videos or documents fit in a given amount of storage.

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• 08

  Storage Growth Calculator

  Estimate when your cloud storage will run out at your current growth rate.

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• 09

  Cloud Egress Cost Calculator

  Estimate the cost of transferring data out of S3, GCS, Azure, B2 or R2.

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• 10

  File Extension / MIME Type Lookup

  Look up what a file extension or MIME type actually means.

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• 11

  Password Strength & Breach Checker

  Check a password's strength locally, and optionally see if it's leaked — like Bitwarden's checker.

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• 12

  Secure Password Generator

  Generate a strong, random password locally — no tracking, no server round-trip.

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• 13

  EXIF Metadata Viewer & Remover

  See hidden GPS, camera and date metadata in a photo, and download a cleaned copy.

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• 14

  File Encryption

  Encrypt a file with a passphrase before uploading it anywhere — AES-256-GCM, fully local.

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• 15

  Video/CCTV Storage Calculator

  Estimate storage needs for security camera, dashcam or 4K video recording.

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• 16

  3-2-1 Backup Rule Checklist

  Check your backup strategy against the industry-standard 3-2-1 rule.

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• 17

  Base64 Encoder / Decoder

  Encode or decode Base64 text or files, entirely in your browser.

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• 18

  JWT Decoder

  Decode a JWT's header and payload, and check its expiry — signature is not verified.

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