ctf/hint

spoiler-free hints
for CTF challenges.

nudge → technique → near-solution.
never the flag.

HINT 1
HINT 2
HINT 3
HINT 1 · NUDGE

think about what the server does with the username field before querying the database. what character might break the query?

Example challenge

“the login form on target.ctf accepts any username. find the admin panel.”

WEBSQL INJECTION
guidesglossarytoolswriteupscalendarpricingwhy
ctf/hint

spoiler-free hints for CTF challenges.
nudge → technique → near-solution. never the flag.

HINT 1
HINT 2
HINT 3
example

“find the admin panel — the login form accepts any username.”

WEBSQL INJECTION

sign in to ctf/hint

no credit card required

7 free
hints / month
3 tiers
of hint depth
7
CTF categories
Email
or continue with

by signing in you agree to our terms and privacy policy.

why did we make this?

more below
CTF Calendar
via ctftime.org ↗
EVENT
DATE
TYPE
in 26hBreachPoint 2026
Sep 25–26
On-site · PSG College of Technology, Coimbatore, Tamil Nadu
Jeopardy
in 26hNull Origin CTF 2026: Grand finale
Sep 25–25
Jeopardy
in 34hNileCTF
Sep 25–27
JeopardyHigh-school
in 35hFlightPath2026
Sep 25–27
JeopardyHigh-school
in 36hBCS CTF 2026
Sep 25–27
Jeopardy
in 2dH7CTF 2026 Qualswt 27.5
Sep 26–27
Jeopardy
in 2dFAUST CTF 2026wt 72.3
Sep 26–26
A/D
in 2dSunshineCTF 2026wt 51.6
Sep 26–28
Jeopardy
in 3dSCAN 2026 Final
Sep 28–28
On-site · Seoul, Korea
JeopardyPrequalified
in 6dCSS CTF 2026: Return of Nexus
Sep 30 – Oct 1
Jeopardy
in 8dHacker's Gambit 2026 (Round 1 – Online Qualifier)
Oct 2–4
Jeopardy
in 9dSecurinets CTF Quals 2026wt 85.1
Oct 3–4
Jeopardy
in 9dCubeCTF 2026wt 24.7
Oct 3–3
A/D
in 9dCDCTF 2026wt 25.0
Oct 3–4
Jeopardy
Hints by Category
web hints →
SQLi, XSS, LFI, SSRF
crypto hints →
RSA, AES, XOR, hashes
pwn hints →
buffer overflow, ROP, heap
forensics hints →
stego, pcap, memory dumps
reverse hints →
disassembly, decompilation
osint hints →
open source intelligence
FAQ
does ctf/hint ever reveal the flag?+
how are hints generated?+
which categories are supported?+
what happens when i run out of free hints?+

some CTF platforms prohibit sharing challenge solutions. by using this tool you accept full responsibility for compliance with any applicable rules — hints are provided for learning purposes only.