Launching soon · launch price $29 $19
Open a 10 GB CSV in under a second.
Excel stops at 1,048,576 rows. Gridglide doesn't. A fast, read-only viewer for huge CSV, JSON Lines and log files.
Get notified at launch. No spam, one email.
Time to open a file
1 GB and 10 GB CSV, compared with Excel and popular editors.
How we measured: published with the results at launch.
Everything you need to read big data files
Instant open
Multi-gigabyte files open in under a second. No import step, no row limit.
Search & regex
Find anything across millions of rows, with full regular-expression support.
Filters
Stack column filters to narrow a huge file down to what matters.
Sort
Sort any column, even on files far bigger than your RAM.
Log mode
Auto-detected log formats with colored levels: error, warn, info, debug.
Tail / follow
Watch growing log files update live, like tail -f with a UI.
JSON Lines
NDJSON opens as a table: one record per row, keys as columns.
Export
Save a filtered, sorted view as a new CSV.
Light & dark
Easy on the eyes, day or night. Matches your system.
Pay once. Use it forever.
No subscription. Every license includes 1 year of updates.
Free
$0
For files up to 100 MB.
- All features
- Files up to 100 MB
- Bigger files open as a preview
Personal
$29
$19
one-time
For individuals paying for themselves, including for their own work.
- Unlimited file size
- 3 devices
- 1 year of updates, use forever
Business
$49 one-time
For licenses purchased by a company: company name on the invoice, commercial use.
- Unlimited file size
- 3 devices (per license, not a team plan)
- 1 year of updates, use forever
Optional updates renewal: $15/year. 14-day refund, no questions asked.
Licenses go on sale at launch. Join the waitlist to get the launch price.
Frequently asked questions
Personal or Business: which one do I need? +
Personal is for individuals paying for themselves, including for their own work. Business is for licenses purchased by a company: the company name is on the invoice and the license covers commercial use. Both include 3 devices. Business is not a team plan: buy one license per person.
What does the free version include? +
Every feature, for files up to 100 MB. Bigger files open as a preview of the first 100 MB.
Is it a subscription? +
No. You pay once and use it forever. Your license includes 1 year of updates; renewing for another year of updates is optional and costs $15.
What happens when my updates expire? +
Nothing breaks. You keep using every version released during your update period, forever.
How long does the $19 launch price last? +
For a limited time after launch. Join the waitlist and we'll email you when it starts.
Does Gridglide modify my files? +
Never. It is a read-only viewer, so it is safe to open production data and logs.
Which platforms are supported? +
macOS (Apple Silicon and Intel) and Windows at launch, plus Linux (AppImage and .deb).
Can I get a refund? +
Yes, within 14 days of purchase, no questions asked.