Filego Blog

Practical guides for PDFs, images, and document workflows

Useful articles for compressing, converting, merging, and managing files more efficiently.

How to Test a Regular Expression Online for Free

Stop guessing whether your regex actually works. Here's how to test a regular expression against sample text online, free, instantly.

Special characters break URLs unless they're properly encoded. Here's how to URL encode or decode text online, free, in seconds.

Need to see what's actually inside a JWT — without writing code? Here's how to decode a JSON Web Token online, free, in seconds.

Base64 shows up everywhere in web development and data handling. Here's how to encode or decode it online, free, in seconds.

Need to protect a piece of text with a password before sharing it? Here's how AES encryption and decryption works online, free.

Make sure a downloaded or transferred file wasn't corrupted or tampered with. Here's how to generate and check a file checksum, free.

Reusing weak passwords is one of the easiest ways to get an account compromised. Here's how to generate a strong one instantly.

Need a quick MD5 checksum for a file or piece of text? Here's how to generate one online, free, in seconds.

Need to verify a file or generate a checksum for a value? Here's how to create a SHA256 hash online, free, in your browser.

A recording came out too quiet? Here's how to boost an audio file's volume online, free, without needing an audio editor.

Record a quick voice note or narration directly from your browser — no software to install. Here's how it works.

A large audio file is slow to upload and awkward to email. Here's how to shrink it online, free, while keeping it sounding clear.

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